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          [
            57.7,
            -25.5,
            8.65
          ],
          [
            72.7,
            -10.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 34,
        "bbox_mm": [
          [
            76.5,
            -25.5,
            8.65
          ],
          [
            91.5,
            -10.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 35,
        "bbox_mm": [
          [
            95.3,
            -25.5,
            8.65
          ],
          [
            110.3,
            -10.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 36,
        "bbox_mm": [
          [
            -111.5,
            -42.5,
            8.65
          ],
          [
            -96.5,
            -27.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 37,
        "bbox_mm": [
          [
            -92.7,
            -42.5,
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          ],
          [
            -77.7,
            -27.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 38,
        "bbox_mm": [
          [
            -73.9,
            -42.5,
            8.65
          ],
          [
            -58.9,
            -27.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 39,
        "bbox_mm": [
          [
            -55.1,
            -42.5,
            8.65
          ],
          [
            -40.1,
            -27.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 40,
        "bbox_mm": [
          [
            -36.3,
            -42.5,
            8.65
          ],
          [
            -21.3,
            -27.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 41,
        "bbox_mm": [
          [
            -8.1,
            -42.5,
            8.65
          ],
          [
            6.9,
            -27.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 42,
        "bbox_mm": [
          [
            20.1,
            -42.5,
            8.65
          ],
          [
            35.1,
            -27.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 43,
        "bbox_mm": [
          [
            38.9,
            -42.5,
            8.65
          ],
          [
            53.9,
            -27.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 44,
        "bbox_mm": [
          [
            57.7,
            -42.5,
            8.65
          ],
          [
            72.7,
            -27.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 45,
        "bbox_mm": [
          [
            76.5,
            -42.5,
            8.65
          ],
          [
            91.5,
            -27.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 46,
        "bbox_mm": [
          [
            95.3,
            -42.5,
            8.65
          ],
          [
            110.3,
            -27.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 47,
        "bbox_mm": [
          [
            -27.5,
            27.5,
            8.65
          ],
          [
            -12.5,
            42.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 48,
        "bbox_mm": [
          [
            -10.1,
            27.5,
            8.65
          ],
          [
            4.9,
            42.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 49,
        "bbox_mm": [
          [
            7.3,
            27.5,
            8.65
          ],
          [
            22.3,
            42.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 50,
        "bbox_mm": [
          [
            24.7,
            27.5,
            8.65
          ],
          [
            39.7,
            42.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 51,
        "bbox_mm": [
          [
            42.1,
            27.5,
            8.65
          ],
          [
            57.1,
            42.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 52,
        "bbox_mm": [
          [
            59.5,
            27.5,
            8.65
          ],
          [
            74.5,
            42.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 53,
        "bbox_mm": [
          [
            76.9,
            27.5,
            8.65
          ],
          [
            91.9,
            42.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 54,
        "bbox_mm": [
          [
            94.3,
            27.5,
            8.65
          ],
          [
            109.3,
            42.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 55,
        "bbox_mm": [
          [
            111.7,
            27.5,
            8.65
          ],
          [
            126.7,
            42.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          15.0,
          15.0,
          12.2
        ]
      },
      {
        "index": 56,
        "bbox_mm": [
          [
            -133.49999,
            2.5,
            8.65
          ],
          [
            -118.5,
            17.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          14.99999,
          15.0,
          12.2
        ]
      },
      {
        "index": 57,
        "bbox_mm": [
          [
            -133.49999,
            -16.5,
            8.65
          ],
          [
            -118.5,
            -1.5,
            20.85
          ]
        ],
        "dimensions_mm": [
          14.99999,
          15.0,
          12.2
        ]
      }
    ]
  },
  "switch_keycap_overlap": {
    "method": "evaluated_mesh_intersection_common_z",
    "predicate": "BVH triangle overlap plus multi-ray parity inside-solid/contact samples",
    "pairs_checked": 58,
    "collision_pairs": 0,
    "colliding_indices": [],
    "travel_samples_mm": [
      0.0,
      0.5,
      1.0,
      1.5,
      2.0,
      2.5,
      3.0
    ],
    "moving": "RK_KEY_## virtual -Z travel only; source transforms are untouched",
    "static": [
      "RK_SWITCH_TOP_##",
      "RK_SWITCH_FLANGE_##",
      "RK_MAIN_PLATE"
    ],
    "per_travel": [
      {
        "travel_mm": 0.0,
        "common_z_pairs": {
          "cover": 58,
          "flange": 0,
          "plate": 0
        },
        "collisions": {
          "cover": [],
          "flange": [],
          "plate": []
        },
        "collision_key_indices": []
      },
      {
        "travel_mm": 0.5,
        "common_z_pairs": {
          "cover": 58,
          "flange": 0,
          "plate": 0
        },
        "collisions": {
          "cover": [],
          "flange": [],
          "plate": []
        },
        "collision_key_indices": []
      },
      {
        "travel_mm": 1.0,
        "common_z_pairs": {
          "cover": 58,
          "flange": 0,
          "plate": 0
        },
        "collisions": {
          "cover": [],
          "flange": [],
          "plate": []
        },
        "collision_key_indices": []
      },
      {
        "travel_mm": 1.5,
        "common_z_pairs": {
          "cover": 58,
          "flange": 0,
          "plate": 0
        },
        "collisions": {
          "cover": [],
          "flange": [],
          "plate": []
        },
        "collision_key_indices": []
      },
      {
        "travel_mm": 2.0,
        "common_z_pairs": {
          "cover": 58,
          "flange": 58,
          "plate": 0
        },
        "collisions": {
          "cover": [],
          "flange": [],
          "plate": []
        },
        "collision_key_indices": []
      },
      {
        "travel_mm": 2.5,
        "common_z_pairs": {
          "cover": 58,
          "flange": 58,
          "plate": 0
        },
        "collisions": {
          "cover": [],
          "flange": [],
          "plate": []
        },
        "collision_key_indices": []
      },
      {
        "travel_mm": 3.0,
        "common_z_pairs": {
          "cover": 58,
          "flange": 58,
          "plate": 58
        },
        "collisions": {
          "cover": [],
          "flange": [],
          "plate": []
        },
        "collision_key_indices": []
      }
    ]
  },
  "keycap_mesh_reuse": {
    "mesh_groups": {
      "TEMP_KEY_TEMPLATE_Mesh": [
        0,
        1,
        2,
        3,
        4,
        5,
        6,
        7,
        8,
        9,
        10,
        11,
        12,
        13,
        14,
        15,
        16,
        17,
        18,
        19,
        20,
        21,
        22,
        23,
        24,
        25,
        26,
        27,
        28,
        29,
        30,
        31,
        32,
        33,
        34,
        35,
        36,
        37,
        38,
        39,
        40,
        42,
        43,
        44,
        45,
        46,
        47,
        48,
        49,
        50,
        51,
        52,
        53,
        54,
        55,
        56,
        57
      ],
      "TEMP_SPACE_TEMPLATE_Mesh.002": [
        41
      ]
    },
    "unique_key_meshes": 2,
    "cells_checked_for_collision": 58
  },
  "keycap_switch_engagement": {
    "status": "PASS_DIGITAL_PROTOTYPE",
    "compatibility": "NOT_QUALIFIED",
    "reason": "source-guided cross geometry is modeled and inspected; retention/force and complete factory interchangeability remain unqualified"
  },
  "interfaces": {
    "key_stem": {
      "method": "evaluated_mesh_rays_and_bvh_virtual_travel",
      "cells_checked": 58,
      "travel_samples_mm": [
        0.0,
        0.5,
        1.0,
        1.5,
        2.0,
        2.5,
        3.0
      ],
      "expected_mm": {
        "receiver_span": 4.12,
        "receiver_horizontal_arm": 1.22,
        "receiver_vertical_arm": 1.4,
        "stem_span": 4.0,
        "stem_horizontal_arm": 1.1,
        "stem_vertical_arm": 1.28,
        "receiver_depth": 3.2
      },
      "dimensions_within_0_05_mm": true,
      "key_material_stem_collision_indices": [],
      "stem_static_collision_indices": [],
      "insertion_range_mm": [
        3.0,
        3.0
      ],
      "ceiling_reserve_range_mm": [
        0.2,
        0.2
      ],
      "rows": [
        {
          "index": 0,
          "receiver_mm": {
            "span_x": 4.12001,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
          "stem_mm": {
            "span_x": 3.99999,
            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
            17.85,
            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
          "per_travel": [
            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 1,
          "receiver_mm": {
            "span_x": 4.12001,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
          "stem_mm": {
            "span_x": 3.99999,
            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
            17.85,
            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
          "per_travel": [
            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 2,
          "receiver_mm": {
            "span_x": 4.12001,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
          "stem_mm": {
            "span_x": 3.99999,
            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
            17.85,
            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
          "per_travel": [
            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 3,
          "receiver_mm": {
            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
          "stem_mm": {
            "span_x": 4.0,
            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
            17.85,
            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
          "per_travel": [
            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 4,
          "receiver_mm": {
            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
          "stem_mm": {
            "span_x": 4.0,
            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
            17.85,
            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
          "per_travel": [
            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 5,
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            "span_x": 4.12,
            "span_y": 4.12,
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          },
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
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            17.85,
            20.85
          ],
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          "ceiling_reserve_mm": 0.2,
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            {
              "travel_mm": 0.0,
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 6,
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            "span_x": 4.12,
            "span_y": 4.12,
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            "vertical_arm": 1.4
          },
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
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            20.85
          ],
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            {
              "travel_mm": 0.0,
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            }
          ]
        },
        {
          "index": 7,
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            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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            {
              "travel_mm": 0.0,
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 8,
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            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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          "ceiling_reserve_mm": 0.2,
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            {
              "travel_mm": 0.0,
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 9,
          "receiver_mm": {
            "span_x": 4.12001,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
          "stem_mm": {
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
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            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 10,
          "receiver_mm": {
            "span_x": 4.12001,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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          "ceiling_reserve_mm": 0.2,
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            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
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            }
          ]
        },
        {
          "index": 11,
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            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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          "ceiling_reserve_mm": 0.2,
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            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 12,
          "receiver_mm": {
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            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 13,
          "receiver_mm": {
            "span_x": 4.12001,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
          "stem_mm": {
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
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            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
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            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 14,
          "receiver_mm": {
            "span_x": 4.12001,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
          "stem_mm": {
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
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            20.85
          ],
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          "ceiling_reserve_mm": 0.2,
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            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 15,
          "receiver_mm": {
            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
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            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
          "per_travel": [
            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 16,
          "receiver_mm": {
            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
          "stem_mm": {
            "span_x": 4.0,
            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
            17.85,
            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
          "per_travel": [
            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 17,
          "receiver_mm": {
            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
          "stem_mm": {
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            "span_y": 4.0,
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            20.85
          ],
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            {
              "travel_mm": 0.0,
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            },
            {
              "travel_mm": 0.5,
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            }
          ]
        },
        {
          "index": 18,
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            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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            {
              "travel_mm": 0.0,
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              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            }
          ]
        },
        {
          "index": 19,
          "receiver_mm": {
            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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            {
              "travel_mm": 0.0,
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 20,
          "receiver_mm": {
            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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            {
              "travel_mm": 0.0,
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              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 21,
          "receiver_mm": {
            "span_x": 4.12001,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            }
          ]
        },
        {
          "index": 22,
          "receiver_mm": {
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            "span_y": 4.12,
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            "vertical_arm": 1.39999
          },
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            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
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            20.85
          ],
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            {
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              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            }
          ]
        },
        {
          "index": 23,
          "receiver_mm": {
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            "span_y": 4.12,
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            "vertical_arm": 1.39999
          },
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            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
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            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 24,
          "receiver_mm": {
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            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
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            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 25,
          "receiver_mm": {
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            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
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            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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          "ceiling_reserve_mm": 0.2,
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            {
              "travel_mm": 0.0,
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 26,
          "receiver_mm": {
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            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
          "stem_mm": {
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
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            20.85
          ],
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            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 27,
          "receiver_mm": {
            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
          "stem_mm": {
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
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            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
          "per_travel": [
            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 28,
          "receiver_mm": {
            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
          "stem_mm": {
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
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            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
          "per_travel": [
            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 29,
          "receiver_mm": {
            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
          "stem_mm": {
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
            17.85,
            20.85
          ],
          "insertion_mm": 3.0,
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            {
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            },
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            },
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              "key_material_stem_reason": "disjoint",
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            },
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            },
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              "key_material_stem_reason": "disjoint",
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            }
          ]
        },
        {
          "index": 30,
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          },
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          },
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            20.85
          ],
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            {
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            },
            {
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            },
            {
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            },
            {
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            },
            {
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            },
            {
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            },
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            }
          ]
        },
        {
          "index": 31,
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          },
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          },
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            20.85
          ],
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            {
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            },
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            },
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            },
            {
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            },
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            },
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            },
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            }
          ]
        },
        {
          "index": 32,
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          },
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          },
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            20.85
          ],
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            {
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            },
            {
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            },
            {
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            },
            {
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            },
            {
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            }
          ]
        },
        {
          "index": 33,
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            "vertical_arm": 1.39999
          },
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          },
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            20.85
          ],
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            },
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            },
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            },
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            },
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            },
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            },
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            }
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        },
        {
          "index": 34,
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          },
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            20.85
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            },
            {
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            },
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            },
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            },
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            },
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            },
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            }
          ]
        },
        {
          "index": 35,
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          },
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            20.85
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            },
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            },
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            },
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            },
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            },
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            },
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            }
          ]
        },
        {
          "index": 36,
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          },
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          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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            },
            {
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            },
            {
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            },
            {
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            },
            {
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            },
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            },
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              "key_material_stem_reason": "disjoint",
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            }
          ]
        },
        {
          "index": 37,
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          },
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          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 38,
          "receiver_mm": {
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            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
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            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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          "ceiling_reserve_mm": 0.2,
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            {
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              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 39,
          "receiver_mm": {
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            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
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            20.85
          ],
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          "ceiling_reserve_mm": 0.2,
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            {
              "travel_mm": 0.0,
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 40,
          "receiver_mm": {
            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
          "stem_mm": {
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
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            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
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            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 41,
          "receiver_mm": {
            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
          "stem_mm": {
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
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            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
          "per_travel": [
            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
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            },
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            },
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            },
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            },
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            }
          ]
        },
        {
          "index": 42,
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          },
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          },
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            20.85
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            {
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            },
            {
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            },
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            },
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            },
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            },
            {
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            }
          ]
        },
        {
          "index": 43,
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          },
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          },
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            20.85
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            {
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            },
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            },
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            },
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            },
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            }
          ]
        },
        {
          "index": 44,
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            20.85
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            {
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            },
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            },
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            },
            {
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            },
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            },
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            },
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              "key_material_stem_reason": "disjoint",
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            }
          ]
        },
        {
          "index": 45,
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            "vertical_arm": 1.39999
          },
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            20.85
          ],
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            },
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            },
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            },
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            },
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            },
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            },
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            }
          ]
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        {
          "index": 46,
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          },
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            20.85
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            },
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            },
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            },
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            },
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            },
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            },
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            }
          ]
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        {
          "index": 47,
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            20.85
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            },
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            },
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            },
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            },
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            },
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            },
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            }
          ]
        },
        {
          "index": 48,
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          },
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          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
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            },
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            },
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            },
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            },
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            },
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            },
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            }
          ]
        },
        {
          "index": 49,
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          },
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          },
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            20.85
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            },
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              "key_material_stem_reason": "disjoint",
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            },
            {
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            }
          ]
        },
        {
          "index": 50,
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            "horizontal_arm": 1.22,
            "vertical_arm": 1.4
          },
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            "horizontal_arm": 1.1,
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          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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            {
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              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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            },
            {
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            },
            {
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            }
          ]
        },
        {
          "index": 51,
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          },
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          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
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              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
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            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 52,
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            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
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            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
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            20.85
          ],
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            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
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              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 53,
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            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
          "stem_mm": {
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            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
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            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
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            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
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              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 54,
          "receiver_mm": {
            "span_x": 4.12001,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
          "stem_mm": {
            "span_x": 3.99999,
            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
            17.85,
            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
          "per_travel": [
            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 55,
          "receiver_mm": {
            "span_x": 4.12001,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
          "stem_mm": {
            "span_x": 3.99999,
            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.27999
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
            17.85,
            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
          "per_travel": [
            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 56,
          "receiver_mm": {
            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
          "stem_mm": {
            "span_x": 4.0,
            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28001
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
            17.85,
            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
          "per_travel": [
            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        },
        {
          "index": 57,
          "receiver_mm": {
            "span_x": 4.12,
            "span_y": 4.12,
            "horizontal_arm": 1.22,
            "vertical_arm": 1.39999
          },
          "stem_mm": {
            "span_x": 4.0,
            "span_y": 4.0,
            "horizontal_arm": 1.1,
            "vertical_arm": 1.28001
          },
          "receiver_ceiling_z_mm": 21.05,
          "stem_bbox_z_mm": [
            17.85,
            20.85
          ],
          "insertion_mm": 3.0,
          "ceiling_reserve_mm": 0.2,
          "per_travel": [
            {
              "travel_mm": 0.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 0.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 1.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 2.5,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            },
            {
              "travel_mm": 3.0,
              "key_material_stem_collision": false,
              "key_material_stem_reason": "disjoint",
              "stem_static_collisions": []
            }
          ]
        }
      ],
      "qualification": "digital prototype geometry only; retention/force and factory interchangeability remain unqualified"
    },
    "wide_guides": {
      "method": "actual_wide_cap_union_rays_plus_evaluated_mesh_bvh",
      "wide_key_index": 41,
      "guides_checked": 2,
      "travel_samples_mm": [
        0.0,
        0.5,
        1.0,
        1.5,
        2.0,
        2.5,
        3.0
      ],
      "collision_free": true,
      "rest_engagement_range_mm": [
        3.65,
        3.65
      ],
      "rows": [
        {
          "guide_index": 0,
          "center_xy_mm": [
            -12.5,
            -35.0
          ],
          "pin_bottom_z_mm": 17.85,
          "pin_diameter_mm": 2.0,
          "sleeve_bbox_mm": [
            [
              -15.5,
              -38.0,
              13.6
            ],
            [
              -9.5,
              -32.0,
              21.5
            ]
          ],
          "per_travel": [
            {
              "travel_mm": 0.0,
              "collision": false,
              "reason": "disjoint",
              "axial_engagement_mm": 3.65
            },
            {
              "travel_mm": 0.5,
              "collision": false,
              "reason": "disjoint",
              "axial_engagement_mm": 4.15
            },
            {
              "travel_mm": 1.0,
              "collision": false,
              "reason": "disjoint",
              "axial_engagement_mm": 4.65
            },
            {
              "travel_mm": 1.5,
              "collision": false,
              "reason": "disjoint",
              "axial_engagement_mm": 5.15
            },
            {
              "travel_mm": 2.0,
              "collision": false,
              "reason": "disjoint",
              "axial_engagement_mm": 5.65
            },
            {
              "travel_mm": 2.5,
              "collision": false,
              "reason": "disjoint",
              "axial_engagement_mm": 6.15
            },
            {
              "travel_mm": 3.0,
              "collision": false,
              "reason": "disjoint",
              "axial_engagement_mm": 6.65
            }
          ]
        },
        {
          "guide_index": 1,
          "center_xy_mm": [
            11.3,
            -35.0
          ],
          "pin_bottom_z_mm": 17.85,
          "pin_diameter_mm": 2.0,
          "sleeve_bbox_mm": [
            [
              8.3,
              -38.0,
              13.6
            ],
            [
              14.3,
              -32.0,
              21.5
            ]
          ],
          "per_travel": [
            {
              "travel_mm": 0.0,
              "collision": false,
              "reason": "disjoint",
              "axial_engagement_mm": 3.65
            },
            {
              "travel_mm": 0.5,
              "collision": false,
              "reason": "disjoint",
              "axial_engagement_mm": 4.15
            },
            {
              "travel_mm": 1.0,
              "collision": false,
              "reason": "disjoint",
              "axial_engagement_mm": 4.65
            },
            {
              "travel_mm": 1.5,
              "collision": false,
              "reason": "disjoint",
              "axial_engagement_mm": 5.15
            },
            {
              "travel_mm": 2.0,
              "collision": false,
              "reason": "disjoint",
              "axial_engagement_mm": 5.65
            },
            {
              "travel_mm": 2.5,
              "collision": false,
              "reason": "disjoint",
              "axial_engagement_mm": 6.15
            },
            {
              "travel_mm": 3.0,
              "collision": false,
              "reason": "disjoint",
              "axial_engagement_mm": 6.65
            }
          ]
        }
      ],
      "qualification": "custom guide digital sliding geometry only; friction/rattle/load require physical testing"
    },
    "encoder_dshaft": {
      "method": "evaluated_mesh_D_receiver_rays_and_virtual_common_rotation",
      "pairs_checked": 5,
      "matching_rotations_collision_free": true,
      "negative_controls_detect_collision": true,
      "engagement_range_mm": [
        5.0,
        5.0
      ],
      "rows": [
        {
          "index": 1,
          "knob_flat_y_mm": 1.65,
          "shaft_flat_y_mm": 1.5,
          "D_engagement_mm": 5.0,
          "matching_rotation_probes": [
            {
              "angle_rad": 0.0,
              "collision": false,
              "reason": "disjoint"
            },
            {
              "angle_rad": 0.6,
              "collision": false,
              "reason": "disjoint"
            },
            {
              "angle_rad": 1.2,
              "collision": false,
              "reason": "disjoint"
            }
          ],
          "negative_mismatch": {
            "angle_rad": 0.6,
            "collision": true,
            "reason": "triangle_surface_intersection"
          },
          "negative_offset": {
            "offset_y_mm": 0.3,
            "collision": true,
            "reason": "triangle_surface_intersection"
          }
        },
        {
          "index": 2,
          "knob_flat_y_mm": 1.65,
          "shaft_flat_y_mm": 1.5,
          "D_engagement_mm": 5.0,
          "matching_rotation_probes": [
            {
              "angle_rad": 0.0,
              "collision": false,
              "reason": "disjoint"
            },
            {
              "angle_rad": 0.6,
              "collision": false,
              "reason": "disjoint"
            },
            {
              "angle_rad": 1.2,
              "collision": false,
              "reason": "disjoint"
            }
          ],
          "negative_mismatch": {
            "angle_rad": 0.6,
            "collision": true,
            "reason": "triangle_surface_intersection"
          },
          "negative_offset": {
            "offset_y_mm": 0.3,
            "collision": true,
            "reason": "triangle_surface_intersection"
          }
        },
        {
          "index": 3,
          "knob_flat_y_mm": 1.65,
          "shaft_flat_y_mm": 1.5,
          "D_engagement_mm": 5.0,
          "matching_rotation_probes": [
            {
              "angle_rad": 0.0,
              "collision": false,
              "reason": "disjoint"
            },
            {
              "angle_rad": 0.6,
              "collision": false,
              "reason": "disjoint"
            },
            {
              "angle_rad": 1.2,
              "collision": false,
              "reason": "disjoint"
            }
          ],
          "negative_mismatch": {
            "angle_rad": 0.6,
            "collision": true,
            "reason": "triangle_surface_intersection"
          },
          "negative_offset": {
            "offset_y_mm": 0.3,
            "collision": true,
            "reason": "triangle_surface_intersection"
          }
        },
        {
          "index": 4,
          "knob_flat_y_mm": 1.65,
          "shaft_flat_y_mm": 1.5,
          "D_engagement_mm": 5.0,
          "matching_rotation_probes": [
            {
              "angle_rad": 0.0,
              "collision": false,
              "reason": "disjoint"
            },
            {
              "angle_rad": 0.6,
              "collision": false,
              "reason": "disjoint"
            },
            {
              "angle_rad": 1.2,
              "collision": false,
              "reason": "disjoint"
            }
          ],
          "negative_mismatch": {
            "angle_rad": 0.6,
            "collision": true,
            "reason": "triangle_surface_intersection"
          },
          "negative_offset": {
            "offset_y_mm": 0.3,
            "collision": true,
            "reason": "triangle_surface_intersection"
          }
        },
        {
          "index": 5,
          "knob_flat_y_mm": 1.65,
          "shaft_flat_y_mm": 1.5,
          "D_engagement_mm": 5.0,
          "matching_rotation_probes": [
            {
              "angle_rad": 0.0,
              "collision": false,
              "reason": "disjoint"
            },
            {
              "angle_rad": 0.6,
              "collision": false,
              "reason": "disjoint"
            },
            {
              "angle_rad": 1.2,
              "collision": false,
              "reason": "disjoint"
            }
          ],
          "negative_mismatch": {
            "angle_rad": 0.6,
            "collision": true,
            "reason": "triangle_surface_intersection"
          },
          "negative_offset": {
            "offset_y_mm": 0.3,
            "collision": true,
            "reason": "triangle_surface_intersection"
          }
        }
      ],
      "qualification": "nominal digital D coupling only; retention, tolerance stack and physical fit remain unqualified"
    },
    "source_binding": {
      "caller_scene_sha256": "de2251261c7d1c17c4150dd3cccc6e42f5a146036916d223801882c4f61c8e16",
      "scene_filepath": "/Users/jang/Products/design-os-3d-blender/builds/reference-keyboard/runs/presentation-B03/steps/presentation/attempt-0001/keyboard.blend",
      "layout_revision": "B-native-interface-refinement",
      "interfaces_revision": "B"
    }
  },
  "limits": [
    "This evidence checks digital geometry only; it does not establish factory switch interchangeability, retention force, electrical fit, preload, or physical manufacture.",
    "Press travel is sampled at 0.0, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0 mm; no continuous-motion proof is claimed between samples.",
    "D-shaft matching-angle probes and guide/key travel are virtual evaluated-coordinate checks; source objects are not moved or saved.",
    "The inspector reads evaluated scene geometry and does not mutate or save the source scene."
  ],
  "scene_sha256": "de2251261c7d1c17c4150dd3cccc6e42f5a146036916d223801882c4f61c8e16"
}