{
  "scope": "Rounded rear-quarter/shroud reference construction; not an actual-car dimensional or repair validation.",
  "groups": {
    "rear_left_welded_quarter_with_estimated_upper_and_jamb_returns": {
      "connected_positive_native_solid": true,
      "mesh_native_relative_volume_error": 0.0006187880559895567
    },
    "rear_right_welded_quarter_with_estimated_upper_and_jamb_returns": {
      "connected_positive_native_solid": true,
      "mesh_native_relative_volume_error": 0.0006187879104839085
    },
    "rear_deck_surround_with_downturned_boot_aperture_lip": {
      "connected_positive_native_solid": true,
      "mesh_native_relative_volume_error": 6.402088730678069e-05
    },
    "rear_closing_panel_with_retained_holes_and_estimated_upper_return": {
      "connected_positive_native_solid": true,
      "mesh_native_relative_volume_error": 0.00040229150788733504
    },
    "rear_cockpit_bulkhead_with_estimated_upper_return": {
      "connected_positive_native_solid": true,
      "mesh_native_relative_volume_error": 5.1757128363516166e-05
    }
  },
  "two_other_rear_body_meshes_and_native_volumes_held": true,
  "central_aperture_crown_symmetric_difference_mm3": 0.012780373780661769,
  "lower_side_surface_checks": [
    {
      "side": "left",
      "y": 0.45,
      "z": -1.9,
      "current_surface_distance_mm": 0.002588745385826635,
      "former_surface_distance_mm": 0.0025876068806997337
    },
    {
      "side": "left",
      "y": 0.56,
      "z": -1.9,
      "current_surface_distance_mm": 0.0026277470896026982,
      "former_surface_distance_mm": 0.002604311361578952
    },
    {
      "side": "left",
      "y": 0.65,
      "z": -1.9,
      "current_surface_distance_mm": 0.0027248790396953884,
      "former_surface_distance_mm": 0.0026435018802134485
    },
    {
      "side": "left",
      "y": 0.45,
      "z": -1.7,
      "current_surface_distance_mm": 0.016353089759819375,
      "former_surface_distance_mm": 0.016353122318029732
    },
    {
      "side": "left",
      "y": 0.56,
      "z": -1.7,
      "current_surface_distance_mm": 0.016370895452680955,
      "former_surface_distance_mm": 0.01637206789291066
    },
    {
      "side": "left",
      "y": 0.65,
      "z": -1.7,
      "current_surface_distance_mm": 0.016391230294171284,
      "former_surface_distance_mm": 0.016393831454222345
    },
    {
      "side": "right",
      "y": 0.45,
      "z": -1.9,
      "current_surface_distance_mm": 0.0025887454272310166,
      "former_surface_distance_mm": 0.0025876069125902487
    },
    {
      "side": "right",
      "y": 0.56,
      "z": -1.9,
      "current_surface_distance_mm": 0.00262774714283266,
      "former_surface_distance_mm": 0.0026043113842948253
    },
    {
      "side": "right",
      "y": 0.65,
      "z": -1.9,
      "current_surface_distance_mm": 0.002724879093459969,
      "former_surface_distance_mm": 0.0026435019110303904
    },
    {
      "side": "right",
      "y": 0.45,
      "z": -1.7,
      "current_surface_distance_mm": 0.016353089797858274,
      "former_surface_distance_mm": 0.016353122370760705
    },
    {
      "side": "right",
      "y": 0.56,
      "z": -1.7,
      "current_surface_distance_mm": 0.01637089552880489,
      "former_surface_distance_mm": 0.016372067954469834
    },
    {
      "side": "right",
      "y": 0.65,
      "z": -1.7,
      "current_surface_distance_mm": 0.016391230324076238,
      "former_surface_distance_mm": 0.016393831507215205
    }
  ],
  "retained_open_wheel_arch_probes": 6,
  "quarter_to_deck_common_material_probes": [
    {
      "side": "left",
      "point_body_mm": [
        565.0429802799266,
        835.7927015601297,
        -1524.0000000000002
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "left",
      "point_body_mm": [
        565.0429802799266,
        835.5927015601296,
        -1524.0000000000002
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "left",
      "point_body_mm": [
        565.0429802799266,
        835.3927015601297,
        -1524.0000000000002
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "left",
      "point_body_mm": [
        565.2349497383102,
        851.8452374774012,
        -1270.0
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "left",
      "point_body_mm": [
        565.2349497383102,
        851.6452374774011,
        -1270.0
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "left",
      "point_body_mm": [
        565.2349497383102,
        851.4452374774012,
        -1270.0
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "left",
      "point_body_mm": [
        564.4628234145283,
        855.4110709361821,
        -1016.0
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "left",
      "point_body_mm": [
        564.4628234145283,
        855.2110709361821,
        -1016.0
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "left",
      "point_body_mm": [
        564.4628234145283,
        855.0110709361821,
        -1016.0
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "right",
      "point_body_mm": [
        -565.0429802799266,
        835.7927015601297,
        -1524.0000000000002
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "right",
      "point_body_mm": [
        -565.0429802799266,
        835.5927015601296,
        -1524.0000000000002
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "right",
      "point_body_mm": [
        -565.0429802799266,
        835.3927015601297,
        -1524.0000000000002
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "right",
      "point_body_mm": [
        -565.2349497383102,
        851.8452374774012,
        -1270.0
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "right",
      "point_body_mm": [
        -565.2349497383102,
        851.6452374774011,
        -1270.0
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "right",
      "point_body_mm": [
        -565.2349497383102,
        851.4452374774012,
        -1270.0
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "right",
      "point_body_mm": [
        -564.4628234145283,
        855.4110709361821,
        -1016.0
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "right",
      "point_body_mm": [
        -564.4628234145283,
        855.2110709361821,
        -1016.0
      ],
      "inside_both_native_solids": true
    },
    {
      "side": "right",
      "point_body_mm": [
        -564.4628234145283,
        855.0110709361821,
        -1016.0
      ],
      "inside_both_native_solids": true
    }
  ],
  "whole_shell_common_boolean_volume_not_used": "Empty native Boolean result contradicted common interior material probes. No overlap-volume or fitted contact claim is derived from that inconsistent result.",
  "unchanged_source_hashes": {
    "owner-side-view-6329.json": "2ad5fe012d262252528334edf59f09c515c108bc737641d82b368dfd4610ac72",
    "rear-profile-reference.json": "89a0a1d447884315b25950b2e1dc2fb1b0b68da98833989c65c265cf988046e6",
    "boot-lid-reference.json": "ffea326f2d0412c1494118e363a82be38033501f34cf6f685435168a73cf8fb5",
    "boot-lid-reference.step": "86761f48127fc9b8b9c1c0dd8a6d12cce9ef3451e54f569a26d83a6432a74b21",
    "folded-hood-reference.json": "fd187f8492eb73ed639cb9f34b9cf385a04558ee05b0754d10a7498715bcbc1a",
    "door-hardware-reference.json": "f249ac603ca55d008f9795a38dfe0e0b901c9a3d7d58eda680801778bdcb3a7d",
    "wheel-profile-reference.json": "46512939f693c68c8f38c073fa2bce2367816bdf015dcbc9f7461de6085318ee",
    "front-drive-photo-reference.json": "11eec63d82c6ea81e2d71f5557f6cdc250c9b5e7ee3cde152c458858386a7e3e"
  },
  "construction": {
    "owner_photos": [
      "IMG_6329",
      "IMG_6341"
    ],
    "owner_dimensions_applied": false,
    "maximum_estimated_transverse_span_and_side_drop_mm": 45,
    "estimated_end_round_span_mm": 2,
    "full_span_z_body_units": [
      -1.86,
      -1.02
    ],
    "end_stations_z_body_units": [
      -2.02,
      -0.77
    ],
    "estimated_shell_normal_offset_mm": 1.2,
    "estimated_quarter_deck_lap_mm": 20.0,
    "basis": "Existing owner photographs show a rounded upper quarter/shroud transition. Shared cubic shoulder sections replace the sharp side/deck corner; the original longitudinal upper profile, side below the shoulder and inboard deck crown stay.",
    "limits": "All transverse section spans, Bezier controls, taper, normal gauge and lap ownership are construction estimates.45mm is a span/drop, not a measured circular radius. Longitudinal owner-photo profile and camera remain conditional; opposite side repeats assumed symmetry. The2mm end rounds do not establish fitted door/tail seams. The20mm coincident reference lap is not a measured weld/flange, loaded joint or repair template. No body strength, panel interchange, hidden seam, fitted dimension, clearance or replacement/cutting/welding path is established."
  },
  "owner_dimensions_applied": false,
  "jamb_construction_check": {
    "boolean_tolerance_mm": 0.0001,
    "skin_volume_mm3": 474777.3341745563,
    "jamb_volume_mm3": 40517.58010328299,
    "union_volume_mm3": 512866.7973710248,
    "source_skin_minus_union_mm3": 0.0,
    "source_jamb_minus_union_mm3": 0.0
  },
  "limits": "Same held camera and body frame, conditional longitudinal profile and mirrored symmetry. The shoulder section, taper, gauge and lap remain estimated; the old sharp-corner photo fit is not an independently surveyed upper edge. No fitted pressing, seam/weld, strength, panel interchange, tool access or replacement/cut/weld path is verified."
}