{
  "status": "empty-mechanical-trial-candidate-not-functional-print-approval",
  "dimensions_mm": {
    "front_section_nominal": [
      26,
      31,
      18.2
    ],
    "rear_body": [
      44,
      82,
      10
    ],
    "bridge_nominal_width": 20,
    "bridge_wall_radial": 4.4,
    "closed_pad_gap": 0.8,
    "front_with_pads": [
      29.6,
      34.06,
      20.46
    ],
    "rear_with_pads": [
      49.6,
      82.0,
      11.9
    ],
    "front_including_bridge_height": 43.26,
    "bridge_max_height_y": 27.401
  },
  "magnet_candidate": {
    "shape": "disc",
    "diameter_mm": 5,
    "thickness_mm": 1.5,
    "count": 4,
    "grade": "unselected",
    "force": "unmeasured; do not buy from this concept alone"
  },
  "battery_nominal_mm": [
    34,
    50,
    5
  ],
  "battery_reserve_mm": [
    36,
    52,
    6
  ],
  "sampled_extra_openings_mm": [
    0,
    2,
    4,
    6,
    8
  ],
  "checks": [
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      "pair": "front-shell/official-hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid/official-hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-shell/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-shell/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-lid/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-lid/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "antenna/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "front-shell/front-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-shell/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-body/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-body/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-body/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-body/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-pins/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-pins/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-pins/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-pins/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "local-positive/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "local-positive/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "local-positive/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "local-positive/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-travel-0.0/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "stem-travel-0.0/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-travel-0.0/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "stem-travel-0.0/rear-lid",
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    },
    {
      "pair": "slider-travel-0.0/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "stem-travel-0.0/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-travel-0.0/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "stem-travel-0.0/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-travel-0.0/switch-body",
      "overlap_mm3": 0
    },
    {
      "pair": "stem-travel-0.0/switch-body",
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    },
    {
      "pair": "slider-travel-0.0/switch-pins",
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    },
    {
      "pair": "stem-travel-0.0/switch-pins",
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    },
    {
      "pair": "slider-travel-0.0/stem",
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    },
    {
      "pair": "slider-travel--0.1/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "stem-travel--0.1/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-travel--0.1/rear-lid",
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    },
    {
      "pair": "stem-travel--0.1/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-travel--0.1/battery-reserve",
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    },
    {
      "pair": "stem-travel--0.1/battery-reserve",
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    },
    {
      "pair": "slider-travel--0.1/antenna",
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    },
    {
      "pair": "stem-travel--0.1/antenna",
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    },
    {
      "pair": "slider-travel--0.1/switch-body",
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    },
    {
      "pair": "stem-travel--0.1/switch-body",
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    },
    {
      "pair": "slider-travel--0.1/switch-pins",
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    {
      "pair": "stem-travel--0.1/switch-pins",
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    },
    {
      "pair": "slider-travel--0.1/stem",
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    },
    {
      "pair": "slider-travel--0.2/rear-shell",
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    },
    {
      "pair": "stem-travel--0.2/rear-shell",
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    },
    {
      "pair": "slider-travel--0.2/rear-lid",
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    },
    {
      "pair": "stem-travel--0.2/rear-lid",
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    },
    {
      "pair": "slider-travel--0.2/battery-reserve",
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    },
    {
      "pair": "stem-travel--0.2/battery-reserve",
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    },
    {
      "pair": "slider-travel--0.2/antenna",
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    },
    {
      "pair": "stem-travel--0.2/antenna",
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    },
    {
      "pair": "slider-travel--0.2/switch-body",
      "overlap_mm3": 0
    },
    {
      "pair": "stem-travel--0.2/switch-body",
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    },
    {
      "pair": "slider-travel--0.2/switch-pins",
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    },
    {
      "pair": "stem-travel--0.2/switch-pins",
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    },
    {
      "pair": "slider-travel--0.2/stem",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-travel--0.3/rear-shell",
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    },
    {
      "pair": "stem-travel--0.3/rear-shell",
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    },
    {
      "pair": "slider-travel--0.3/rear-lid",
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    },
    {
      "pair": "stem-travel--0.3/rear-lid",
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    },
    {
      "pair": "slider-travel--0.3/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "stem-travel--0.3/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-travel--0.3/antenna",
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    },
    {
      "pair": "stem-travel--0.3/antenna",
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    },
    {
      "pair": "slider-travel--0.3/switch-body",
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    },
    {
      "pair": "stem-travel--0.3/switch-body",
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    },
    {
      "pair": "slider-travel--0.3/switch-pins",
      "overlap_mm3": 0
    },
    {
      "pair": "stem-travel--0.3/switch-pins",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-travel--0.3/stem",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-travel--0.4/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "stem-travel--0.4/rear-shell",
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    },
    {
      "pair": "slider-travel--0.4/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "stem-travel--0.4/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-travel--0.4/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "stem-travel--0.4/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-travel--0.4/antenna",
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    },
    {
      "pair": "stem-travel--0.4/antenna",
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    },
    {
      "pair": "slider-travel--0.4/switch-body",
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    },
    {
      "pair": "stem-travel--0.4/switch-body",
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    },
    {
      "pair": "slider-travel--0.4/switch-pins",
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    },
    {
      "pair": "stem-travel--0.4/switch-pins",
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    },
    {
      "pair": "slider-travel--0.4/stem",
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    {
      "pair": "slider-travel--0.5/rear-shell",
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    {
      "pair": "stem-travel--0.5/rear-shell",
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    {
      "pair": "slider-travel--0.5/rear-lid",
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    {
      "pair": "stem-travel--0.5/rear-lid",
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    {
      "pair": "slider-travel--0.5/battery-reserve",
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    {
      "pair": "stem-travel--0.5/battery-reserve",
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    {
      "pair": "slider-travel--0.5/antenna",
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    },
    {
      "pair": "stem-travel--0.5/antenna",
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    {
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    {
      "pair": "stem-travel--0.5/switch-body",
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    {
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    {
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    {
      "pair": "slider-travel--0.5/stem",
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    {
      "pair": "slider-travel--0.6/rear-shell",
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    },
    {
      "pair": "stem-travel--0.6/rear-shell",
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    {
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    {
      "pair": "stem-travel--0.6/rear-lid",
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    {
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    },
    {
      "pair": "stem-travel--0.6/battery-reserve",
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    {
      "pair": "slider-travel--0.6/antenna",
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    },
    {
      "pair": "stem-travel--0.6/antenna",
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    },
    {
      "pair": "slider-travel--0.6/switch-body",
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    },
    {
      "pair": "stem-travel--0.6/switch-body",
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    {
      "pair": "slider-travel--0.6/switch-pins",
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    {
      "pair": "stem-travel--0.6/switch-pins",
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    {
      "pair": "slider-travel--0.6/stem",
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    {
      "pair": "slider-travel--0.7/rear-shell",
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    {
      "pair": "stem-travel--0.7/rear-shell",
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    {
      "pair": "slider-travel--0.7/rear-lid",
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    {
      "pair": "stem-travel--0.7/rear-lid",
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    {
      "pair": "slider-travel--0.7/battery-reserve",
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    {
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    {
      "pair": "slider-travel--0.7/antenna",
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    {
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    {
      "pair": "slider-travel--0.7/switch-body",
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    {
      "pair": "stem-travel--0.7/switch-body",
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    {
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    {
      "pair": "stem-travel--0.7/switch-pins",
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    {
      "pair": "slider-travel--0.7/stem",
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    {
      "pair": "slider-travel--0.8/rear-shell",
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    {
      "pair": "stem-travel--0.8/rear-shell",
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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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    {
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    {
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    {
      "pair": "slider-travel--0.8/stem",
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    {
      "pair": "slider-travel--0.9/rear-shell",
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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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    {
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    {
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    {
      "pair": "slider-travel--1.0/rear-shell",
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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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    {
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    {
      "pair": "slider-travel--1.0/stem",
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    },
    {
      "pair": "slider-travel--1.1/rear-shell",
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    {
      "pair": "stem-travel--1.1/rear-shell",
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    {
      "pair": "slider-travel--1.1/rear-lid",
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    },
    {
      "pair": "stem-travel--1.1/rear-lid",
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    },
    {
      "pair": "slider-travel--1.1/battery-reserve",
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    },
    {
      "pair": "stem-travel--1.1/battery-reserve",
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    },
    {
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    {
      "pair": "stem-travel--1.1/antenna",
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    {
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    {
      "pair": "stem-travel--1.1/switch-body",
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    {
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    {
      "pair": "stem-travel--1.1/switch-pins",
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    {
      "pair": "slider-travel--1.1/stem",
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    {
      "pair": "slider-travel--1.2/rear-shell",
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    {
      "pair": "stem-travel--1.2/rear-shell",
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    {
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    {
      "pair": "stem-travel--1.2/rear-lid",
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    {
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    {
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    {
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    {
      "pair": "stem-travel--1.2/antenna",
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    {
      "pair": "slider-travel--1.2/switch-body",
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    {
      "pair": "stem-travel--1.2/switch-body",
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    {
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    {
      "pair": "stem-travel--1.2/switch-pins",
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    {
      "pair": "slider-travel--1.2/stem",
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    {
      "pair": "slider-travel--1.3/rear-shell",
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    {
      "pair": "stem-travel--1.3/rear-shell",
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    {
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    {
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    {
      "pair": "slider-travel--1.3/battery-reserve",
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    },
    {
      "pair": "stem-travel--1.3/battery-reserve",
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    },
    {
      "pair": "slider-travel--1.3/antenna",
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    },
    {
      "pair": "stem-travel--1.3/antenna",
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    {
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    },
    {
      "pair": "stem-travel--1.3/switch-body",
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    },
    {
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    {
      "pair": "stem-travel--1.3/switch-pins",
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    },
    {
      "pair": "slider-travel--1.3/stem",
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      "pair": "battery-positive/bridge-wall",
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      "pair": "battery-positive/bridge-rear-shell",
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      "pair": "battery-negative/bridge-wall",
      "overlap_mm3": 0,
      "extra_opening_mm": 8
    },
    {
      "pair": "battery-negative/bridge-front-shell",
      "overlap_mm3": 0,
      "extra_opening_mm": 8
    },
    {
      "pair": "battery-negative/bridge-rear-shell",
      "overlap_mm3": 0,
      "extra_opening_mm": 8
    },
    {
      "pair": "antenna-coax/bridge-wall",
      "overlap_mm3": 0,
      "extra_opening_mm": 8
    },
    {
      "pair": "antenna-coax/bridge-front-shell",
      "overlap_mm3": 0,
      "extra_opening_mm": 8
    },
    {
      "pair": "antenna-coax/bridge-rear-shell",
      "overlap_mm3": 0,
      "extra_opening_mm": 8
    },
    {
      "pair": "bridge/front-lid",
      "overlap_mm3": 0,
      "extra_opening_mm": 8
    },
    {
      "pair": "bridge/rear-lid",
      "overlap_mm3": 0,
      "extra_opening_mm": 8
    },
    {
      "pair": "front-screw-1-M1p4x14-envelope/front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-1-M1p4x14-envelope/front-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-1-M1p4x14-envelope/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-1-envelope/front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-1-envelope/front-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-1-envelope/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-2-M1p4x14-envelope/front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-2-M1p4x14-envelope/front-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-2-M1p4x14-envelope/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-2-envelope/front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-2-envelope/front-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-2-envelope/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-3-M1p4x14-envelope/front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-3-M1p4x14-envelope/front-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-3-M1p4x14-envelope/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-3-envelope/front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-3-envelope/front-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-3-envelope/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-4-M1p4x14-envelope/front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-4-M1p4x14-envelope/front-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-4-M1p4x14-envelope/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-4-envelope/front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-4-envelope/front-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-4-envelope/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-1-M1p4x8-envelope/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-1-M1p4x8-envelope/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-1-M1p4x8-envelope/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-1-M1p4x8-envelope/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-1-envelope/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-1-envelope/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-1-envelope/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-1-envelope/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-2-M1p4x8-envelope/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-2-M1p4x8-envelope/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-2-M1p4x8-envelope/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-2-M1p4x8-envelope/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-2-envelope/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-2-envelope/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-2-envelope/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-2-envelope/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-3-M1p4x8-envelope/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-3-M1p4x8-envelope/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-3-M1p4x8-envelope/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-3-M1p4x8-envelope/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-3-envelope/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-3-envelope/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-3-envelope/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-3-envelope/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-4-M1p4x8-envelope/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-4-M1p4x8-envelope/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-4-M1p4x8-envelope/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-4-M1p4x8-envelope/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-4-envelope/rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-4-envelope/rear-lid",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-4-envelope/battery-reserve",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-4-envelope/antenna",
      "overlap_mm3": 0
    },
    {
      "pair": "board-removal-0/open-front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid-removal-0/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid-removal-0/shell",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-insertion-0/open-rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-lid-removal-0/shell",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-insertion-0/open-rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "board-removal-0.5/open-front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid-removal-0.5/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid-removal-0.5/shell",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-insertion-0.5/open-rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-lid-removal-0.5/shell",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-insertion-0.5/open-rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "board-removal-1/open-front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid-removal-1/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid-removal-1/shell",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-insertion-1/open-rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-lid-removal-1/shell",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-insertion-1/open-rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "board-removal-2/open-front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid-removal-2/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid-removal-2/shell",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-insertion-2/open-rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-lid-removal-2/shell",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-insertion-2/open-rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "board-removal-4/open-front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid-removal-4/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid-removal-4/shell",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-insertion-4/open-rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-lid-removal-4/shell",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-insertion-4/open-rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "board-removal-8/open-front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid-removal-8/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid-removal-8/shell",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-insertion-8/open-rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-lid-removal-8/shell",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-insertion-8/open-rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "board-removal-16/open-front-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid-removal-16/hardware",
      "overlap_mm3": 0
    },
    {
      "pair": "front-lid-removal-16/shell",
      "overlap_mm3": 0
    },
    {
      "pair": "switch-insertion-16/open-rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-lid-removal-16/shell",
      "overlap_mm3": 0
    },
    {
      "pair": "slider-insertion-16/open-rear-shell",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-1-M1p4x14-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-1-M1p4x14-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-1-M1p4x14-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-1-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-1-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-1-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-2-M1p4x14-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-2-M1p4x14-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-2-M1p4x14-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-2-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-2-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-2-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-3-M1p4x14-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-3-M1p4x14-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-3-M1p4x14-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-3-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-3-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-3-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-4-M1p4x14-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-4-M1p4x14-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "front-screw-4-M1p4x14-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-4-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-4-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "front-nut-4-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-1-M1p4x8-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-1-M1p4x8-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-1-M1p4x8-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-1-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-1-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-1-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-2-M1p4x8-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-2-M1p4x8-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-2-M1p4x8-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-2-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-2-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-2-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-3-M1p4x8-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-3-M1p4x8-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-3-M1p4x8-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-3-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-3-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-3-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-4-M1p4x8-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-4-M1p4x8-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-screw-4-M1p4x8-envelope/antenna-coax",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-4-envelope/battery-positive",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-4-envelope/battery-negative",
      "overlap_mm3": 0
    },
    {
      "pair": "rear-nut-4-envelope/antenna-coax",
      "overlap_mm3": 0
    }
  ],
  "parts": {
    "front-magnet-left": {
      "valid": true,
      "solids": 1,
      "role": "magnet"
    },
    "front-pad-cap-left": {
      "valid": true,
      "solids": 1,
      "role": "pad"
    },
    "rear-magnet-left": {
      "valid": true,
      "solids": 1,
      "role": "magnet"
    },
    "rear-pad-cap-left": {
      "valid": true,
      "solids": 1,
      "role": "pad"
    },
    "front-magnet-right": {
      "valid": true,
      "solids": 1,
      "role": "magnet"
    },
    "front-pad-cap-right": {
      "valid": true,
      "solids": 1,
      "role": "pad"
    },
    "rear-magnet-right": {
      "valid": true,
      "solids": 1,
      "role": "magnet"
    },
    "rear-pad-cap-right": {
      "valid": true,
      "solids": 1,
      "role": "pad"
    },
    "front-shell": {
      "valid": true,
      "solids": 1,
      "role": "shell"
    },
    "front-lid": {
      "valid": true,
      "solids": 1,
      "role": "shell"
    },
    "rear-battery-shell": {
      "valid": true,
      "solids": 1,
      "role": "shell"
    },
    "rear-lid": {
      "valid": true,
      "solids": 1,
      "role": "shell"
    },
    "xiao-official-board-and-flex": {
      "valid": true,
      "solids": 101,
      "role": "hardware"
    },
    "camera-original-position": {
      "valid": true,
      "solids": 2,
      "role": "hardware"
    },
    "battery-503450-nominal": {
      "valid": true,
      "solids": 1,
      "role": "hardware"
    },
    "fpc-antenna-provisional": {
      "valid": true,
      "solids": 1,
      "role": "hardware"
    },
    "front-screw-1-M1p4x14-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "front-nut-1-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "front-screw-2-M1p4x14-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "front-nut-2-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "front-screw-3-M1p4x14-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "front-nut-3-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "front-screw-4-M1p4x14-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "front-nut-4-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "rear-screw-1-M1p4x8-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "rear-nut-1-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "rear-screw-2-M1p4x8-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "rear-nut-2-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "rear-screw-3-M1p4x8-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "rear-nut-3-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "rear-screw-4-M1p4x8-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "rear-nut-4-envelope": {
      "valid": true,
      "solids": 1,
      "role": "fastener"
    },
    "slide-switch-body-envelope": {
      "valid": true,
      "solids": 1,
      "role": "switch"
    },
    "slide-switch-terminal-envelopes": {
      "valid": true,
      "solids": 3,
      "role": "switch"
    },
    "slide-switch-moving-stem": {
      "valid": true,
      "solids": 1,
      "role": "switch"
    },
    "same-color-power-slider": {
      "valid": true,
      "solids": 1,
      "role": "slider"
    },
    "split-tpu-bridge-1": {
      "valid": true,
      "solids": 1,
      "role": "bridge"
    },
    "split-tpu-bridge-2": {
      "valid": true,
      "solids": 1,
      "role": "bridge"
    },
    "battery-to-switch-positive": {
      "valid": true,
      "solids": 5,
      "role": "wire"
    },
    "battery-positive-rear": {
      "valid": true,
      "solids": 9,
      "role": "wire"
    },
    "battery-positive-front": {
      "valid": true,
      "solids": 7,
      "role": "wire"
    },
    "battery-positive-bridge": {
      "valid": true,
      "solids": 1,
      "role": "wire"
    },
    "battery-negative-rear": {
      "valid": true,
      "solids": 7,
      "role": "wire"
    },
    "battery-negative-front": {
      "valid": true,
      "solids": 7,
      "role": "wire"
    },
    "battery-negative-bridge": {
      "valid": true,
      "solids": 1,
      "role": "wire"
    },
    "antenna-coax-rear": {
      "valid": true,
      "solids": 5,
      "role": "wire"
    },
    "antenna-coax-front": {
      "valid": true,
      "solids": 5,
      "role": "wire"
    },
    "antenna-coax-bridge": {
      "valid": true,
      "solids": 1,
      "role": "wire"
    }
  },
  "routing": [
    {
      "name": "battery-positive",
      "bridge_length_mm": 32.3066,
      "total_route_mm": 105.86,
      "sample_length_range_mm": [
        32.30662287636556,
        32.30662287715765
      ]
    },
    {
      "name": "battery-negative",
      "bridge_length_mm": 32.3066,
      "total_route_mm": 105.018,
      "sample_length_range_mm": [
        32.30662287636556,
        32.30662287715765
      ]
    },
    {
      "name": "antenna-coax",
      "bridge_length_mm": 32.3066,
      "total_route_mm": 57.848,
      "sample_length_range_mm": [
        32.30662287636556,
        32.30662287715765
      ]
    }
  ],
  "limitations": [
    "Empty mechanical trial only, not authorization to order prints or install live electronics.",
    "Actual battery protection board, sealed edges, leads, switch fixing ears and solder insulation are not measured.",
    "Fasteners are simplified size envelopes; screw/nut sample fit, torque and tool access require physical verification.",
    "Board hold-downs have nominal clearance and must not squeeze PCB, components, lens or camera flex.",
    "Split TPU bridge lacing, T sockets, magnet caps and electrical strain relief are not physically validated.",
    "Magnets remain concept placeholders. Grade, force, polarity and reliable child-safe retention unresolved; first trial must use no magnets or harmless dummies.",
    "RF, acoustics, heat, USB plug body clearance, worn fit, drop and fatigue testing unverified.",
    "No global minimum-wall-thickness or continuous swept-motion proof. Listed clearance and removal checks are finite samples."
  ],
  "power_control": {
    "mode": "mechanical-battery-disconnect",
    "candidate": "G-Switch SS-12D01-G040 / C2876014",
    "switch_body_axes_xyz_mm": [
      3.5,
      8.8,
      3.9
    ],
    "stem_mm": 4,
    "slider_face_mm": [
      7,
      3.5
    ],
    "slider_travel_mm": 2,
    "protrusion_from_side_mm": 1.15,
    "geometry_status": "Simplified dimensional envelope; not manufacturer STEP. Pin, ear, socket and solder clearances require sample verification.",
    "wiring": [
      "Battery protected positive -> common contact",
      "Selected switched contact -> XIAO BAT+",
      "Battery negative -> XIAO BAT-",
      "Unused contact individually insulated"
    ],
    "charging": "Switch ON to charge. USB independently powers XIAO; unplug USB before a full power cycle.",
    "antenna_depth_shift_mm": 2.2,
    "limitations": [
      "Captured slider and removable cradle are modeled, not physically validated.",
      "Actual fixing ears, solder insulation and contact electrical suitability require confirmation."
    ]
  },
  "revision": "v0.6",
  "source_sha256": {
    "generate.py": "4b715e7889a86a669022c8ffa8778aa59ef7ae9a33f83e93e15f41c838c125ab",
    "mechanics.py": "ddf0a70ce568f56cc65317a38f6d01172508d1f28842202d1c471a47ce60c8b1",
    "index.html": "e59c8ac60063ddac3b5312bf961b86fcc500d8aee44a40c6973fd2ec9e0404e3",
    "README.md": "4be270f8043b432abf1b96de06d0f6b8885eacd153b992b125b337ac5c495d2b",
    "validate.py": "72de49e997e80278f505fbb2bb098450c3bec675bddd7525cf19dc1fadc772a5"
  },
  "slider_capture_checks": [
    {
      "travel_mm": 0,
      "attempted_sideways_pull_mm": -1,
      "obstructed_volume_mm3": 1.680391,
      "geometrically_captured": true
    },
    {
      "travel_mm": 0,
      "attempted_sideways_pull_mm": 1,
      "obstructed_volume_mm3": 1.343562,
      "geometrically_captured": true
    },
    {
      "travel_mm": -1,
      "attempted_sideways_pull_mm": -1,
      "obstructed_volume_mm3": 1.541845,
      "geometrically_captured": true
    },
    {
      "travel_mm": -1,
      "attempted_sideways_pull_mm": 1,
      "obstructed_volume_mm3": 1.487124,
      "geometrically_captured": true
    },
    {
      "travel_mm": -2,
      "attempted_sideways_pull_mm": -1,
      "obstructed_volume_mm3": 1.680391,
      "geometrically_captured": true
    },
    {
      "travel_mm": -2,
      "attempted_sideways_pull_mm": 1,
      "obstructed_volume_mm3": 1.343562,
      "geometrically_captured": true
    }
  ],
  "mechanical_revision": {
    "lid_seam_mm": 0.3,
    "lid_hard_stops": "Screw bosses meet at the nominal closed position; tightening must not collapse the 0.3 mm body seam onto PCB.",
    "front_screws_candidate": "4 x M1.4 x 14 with nuts",
    "rear_screws_candidate": "4 x M1.4 x 8 with nuts",
    "fastener_status": "Simplified assumed envelopes; verify head, nut and length against actual fastener samples and coupon before ordering a full print.",
    "board_retention": "Base shelves, side stops and upper PCB edge hold-downs; no contact with lens or flex.",
    "slider_retention": "4.8 mm internal shoulder behind 3.3 mm closed slot. Lid closes the insertion opening. Stem pocket has 0.3 mm nominal clearance per side.",
    "bridge_assembly": "Two TPU halves, lay wires into exposed channels, lace the six paired 1.2 mm holes with nonconductive 0.5 mm cord; no connector threading or cutting. T ends captured by shell sockets; lacing strength and fatigue unverified.",
    "battery": "Nominal envelope only. Empty-shell or rigid dummy trials only; no compression, clamping or drop tests with pouch cells.",
    "process": "Candidate PA12 SLS hard parts and TPU flexible bridge/pads, separately printed. Allowances are design choices, not supplier guarantees."
  },
  "styling_comparison": {
    "method": "Closed exterior body before holes, sockets and magnet bosses; NOT internal free volume or assembly volume",
    "previous_body_envelope_mm3": 18610.796,
    "current_body_envelope_mm3": 12756.433,
    "body_envelope_reduction_percent": 31.5,
    "hardware_unchanged": true,
    "front_shape": "rounded lower tub and narrowing lofted dome"
  },
  "check_summary": {
    "checked": 554,
    "passed": 554,
    "tolerance_mm3": 0.001
  }
}