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      "interpretation": "Designed full-diameter screw shank into undersized pilot. Head and driver access are separate checks."
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      "winding_consistent": true,
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      "min_z_mm": -1.1310634232594013e-15,
      "size_mm": [
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    "meshes/rigid_print/10_volume_minus_key.stl": {
      "watertight": true,
      "winding_consistent": true,
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      "min_z_mm": -1.1310634232594013e-15,
      "size_mm": [
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    "meshes/rigid_print/10_volume_plus_key.stl": {
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      "size_mm": [
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    "meshes/rigid_print/15_front_switch_holder.stl": {
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      "size_mm": [
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    "meshes/rigid_print/16_rgb_led_support_ring.stl": {
      "watertight": true,
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      "min_z_mm": 0.0,
      "size_mm": [
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    "meshes/rigid_print/17_microphone_cradle.stl": {
      "watertight": true,
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      "size_mm": [
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    "meshes/rigid_print/19_lte_antenna_seat.stl": {
      "watertight": true,
      "winding_consistent": true,
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      "bodies": 1,
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      "min_z_mm": 0.0,
      "size_mm": [
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    "meshes/rigid_print/FRONT_SWITCH_CORNER_KEEPER_-1.stl": {
      "watertight": true,
      "winding_consistent": true,
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      "min_z_mm": 0.0,
      "size_mm": [
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    },
    "meshes/rigid_print/FRONT_SWITCH_CORNER_KEEPER_1.stl": {
      "watertight": true,
      "winding_consistent": true,
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      "size_mm": [
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    },
    "meshes/rigid_print/PTT_SELECTABLE_STOP_SHOE_1.stl": {
      "watertight": true,
      "winding_consistent": true,
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    "meshes/rigid_print/PTT_SELECTABLE_STOP_SHOE_2.stl": {
      "watertight": true,
      "winding_consistent": true,
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      "bodies": 1,
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    "meshes/rigid_print/PTT_SWITCH_REAR_KEEPER.stl": {
      "watertight": true,
      "winding_consistent": true,
      "positive_volume": true,
      "bodies": 1,
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      "min_z_mm": 0.0,
      "size_mm": [
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    },
    "meshes/rigid_print/VOLUME_DOWN_SELECTABLE_STOP_SHOE_1.stl": {
      "watertight": true,
      "winding_consistent": true,
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      "bodies": 1,
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    "meshes/rigid_print/VOLUME_DOWN_SELECTABLE_STOP_SHOE_2.stl": {
      "watertight": true,
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      "watertight": true,
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    "meshes/cast_masters/03_front_perimeter_bumper.stl": {
      "watertight": true,
      "winding_consistent": true,
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      "size_mm": [
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    },
    "meshes/cast_masters/04_rear_perimeter_bumper.stl": {
      "watertight": true,
      "winding_consistent": true,
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    "meshes/cast_masters/11_ptt_bumper_collar.stl": {
      "watertight": true,
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      "min_z_mm": -9.850114533788832e-29,
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    "meshes/cast_masters/11_volume_plus_bumper_collar.stl": {
      "watertight": true,
      "winding_consistent": true,
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      "bodies": 1,
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      "min_z_mm": -9.850114533788832e-29,
      "size_mm": [
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        23.600000381469727,
        1.0
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    "meshes/cast_masters/21_ptt_grip_pad.stl": {
      "watertight": true,
      "winding_consistent": true,
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      "bodies": 1,
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      "min_z_mm": -7.973902470915953e-29,
      "size_mm": [
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    },
    "meshes/cast_masters/21_volume_minus_grip_pad.stl": {
      "watertight": true,
      "winding_consistent": true,
      "positive_volume": true,
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      "size_mm": [
        13.0,
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        1.363689661026001
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    },
    "meshes/cast_masters/21_volume_plus_grip_pad.stl": {
      "watertight": true,
      "winding_consistent": true,
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        13.0,
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    },
    "meshes/machined_fit_prototypes/13_circular_play_key.stl": {
      "watertight": true,
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      "bodies": 1,
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      "min_z_mm": -3.048956238832734e-16,
      "size_mm": [
        36.990447998046875,
        36.80500030517578,
        5.199999809265137
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    "meshes/optical_reference/27_offset_status_light_guide.stl": {
      "watertight": true,
      "winding_consistent": true,
      "positive_volume": true,
      "bodies": 1,
      "faces": 1438,
      "min_z_mm": 0.0,
      "size_mm": [
        21.499935150146484,
        13.099020004272461,
        2.549999952316284
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  },
  "units": "mm",
  "designed_screw_engagements": [
    {
      "a": "01_front_structural_tub",
      "b": "FRONT_CASSETTE_MOUNT_M2x5_-24",
      "overlap_mm3": 4.2822106983286865,
      "category": "part/hardware",
      "interpretation": "Designed full-diameter screw shank into undersized pilot. Head and driver access are separate checks."
    },
    {
      "a": "01_front_structural_tub",
      "b": "FRONT_CASSETTE_MOUNT_M2x5_24",
      "overlap_mm3": 4.282210698328686,
      "category": "part/hardware",
      "interpretation": "Designed full-diameter screw shank into undersized pilot. Head and driver access are separate checks."
    },
    {
      "a": "01_front_structural_tub",
      "b": "PTT_KEEPER_M2x6_1",
      "overlap_mm3": 3.587447482987283,
      "category": "part/hardware",
      "interpretation": "Designed full-diameter screw shank into undersized pilot. Head and driver access are separate checks."
    },
    {
      "a": "01_front_structural_tub",
      "b": "PTT_KEEPER_M2x6_2",
      "overlap_mm3": 3.5874474829872804,
      "category": "part/hardware",
      "interpretation": "Designed full-diameter screw shank into undersized pilot. Head and driver access are separate checks."
    },
    {
      "a": "01_front_structural_tub",
      "b": "VOLUME_DOWN_KEEPER_M2x6_1",
      "overlap_mm3": 3.587447482987282,
      "category": "part/hardware",
      "interpretation": "Designed full-diameter screw shank into undersized pilot. Head and driver access are separate checks."
    },
    {
      "a": "01_front_structural_tub",
      "b": "VOLUME_DOWN_KEEPER_M2x6_2",
      "overlap_mm3": 3.5874474829872787,
      "category": "part/hardware",
      "interpretation": "Designed full-diameter screw shank into undersized pilot. Head and driver access are separate checks."
    },
    {
      "a": "01_front_structural_tub",
      "b": "VOLUME_UP_KEEPER_M2x6_1",
      "overlap_mm3": 3.587447482987283,
      "category": "part/hardware",
      "interpretation": "Designed full-diameter screw shank into undersized pilot. Head and driver access are separate checks."
    },
    {
      "a": "01_front_structural_tub",
      "b": "VOLUME_UP_KEEPER_M2x6_2",
      "overlap_mm3": 3.587447482987283,
      "category": "part/hardware",
      "interpretation": "Designed full-diameter screw shank into undersized pilot. Head and driver access are separate checks."
    },
    {
      "a": "15_front_switch_holder",
      "b": "FRONT_KEEPER_M2x5_LOW_HEAD_-1",
      "overlap_mm3": 2.839987852209086,
      "category": "part/hardware",
      "interpretation": "Designed full-diameter screw shank into undersized pilot. Head and driver access are separate checks."
    },
    {
      "a": "15_front_switch_holder",
      "b": "FRONT_KEEPER_M2x5_LOW_HEAD_1",
      "overlap_mm3": 2.839987852209084,
      "category": "part/hardware",
      "interpretation": "Designed full-diameter screw shank into undersized pilot. Head and driver access are separate checks."
    }
  ],
  "unexplained_static_intersections": [],
  "critical_distances_mm": {
    "REF_Adafruit3421_mic / REF_battery_body_and_protection": 0.30000019073500006,
    "REF_Kingbright_RGB_LED / 27_offset_status_light_guide": 0.09999999999999964,
    "REF_supplied_PCB_placed / REF_lte_flex_body": 0.80000043147,
    "05_perforated_rigid_speaker_panel / REF_battery_body_and_protection": 0.8000005722050005,
    "REF_Adafruit3421_mic / 01_front_structural_tub": 0.5338775056794532,
    "REF_Adafruit3421_mic / 27_offset_status_light_guide": 0.4000001907349997
  },
  "case_bounds": {
    "min": [
      -44.70000000000812,
      -68.0,
      -13.600000099999999
    ],
    "max": [
      44.46368982094611,
      68.0,
      13.600000099999999
    ],
    "size": [
      89.16368982095423,
      136.0,
      27.200000199999998
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  },
  "summary": {
    "all_step_valid": true,
    "all_hardware_size_volume_preserved": true,
    "static_overlap_count": 10,
    "designed_screw_engagement_count": 10,
    "unexplained_static_overlap_count": 0,
    "all_fabrication_meshes_watertight": true,
    "fabricated_parts": 41,
    "hardware_groups": 20,
    "checked_meshes": 33
  }
}