{
  "verification_basis": "Downloaded actual pipeline STEP plus original parameterized meridian",
  "step_valid": true,
  "step_solid_count": 1,
  "step_face_count": 40,
  "step_volume_mm3": 26434.066163496776,
  "source_volume_mm3": 26434.066163497933,
  "bbox_mm": {
    "min": [
      -40.0,
      -35.0,
      -9.696965452832274e-13
    ],
    "max": [
      40.0,
      35.0,
      40.0000001
    ],
    "size": [
      80.0,
      70.0,
      40.00000010000097
    ]
  },
  "analytic_cylinders": [
    {
      "radius": 28.0,
      "axis_origin": [
        0.0,
        -1.7763568394e-15,
        0.0
      ],
      "z_bounds": [
        0.2,
        4.8
      ]
    },
    {
      "radius": 7.5,
      "axis_origin": [
        32.5,
        0.0,
        0.0
      ],
      "z_bounds": [
        0.2,
        4.8
      ]
    },
    {
      "radius": 7.5,
      "axis_origin": [
        -32.5,
        0.0,
        0.0
      ],
      "z_bounds": [
        0.2,
        4.8
      ]
    },
    {
      "radius": 28.0,
      "axis_origin": [
        0.0,
        1.7763568394e-15,
        0.0
      ],
      "z_bounds": [
        0.2,
        4.8
      ]
    },
    {
      "radius": 3.15,
      "axis_origin": [
        -32.5,
        0.0,
        -1.0
      ],
      "z_bounds": [
        0.19999999999999996,
        4.8
      ]
    },
    {
      "radius": 22.5,
      "axis_origin": [
        0.0,
        0.0,
        -0.5
      ],
      "z_bounds": [
        0.1999999999999993,
        12.0
      ]
    },
    {
      "radius": 3.15,
      "axis_origin": [
        32.5,
        0.0,
        -1.0
      ],
      "z_bounds": [
        0.19999999999999996,
        4.8
      ]
    },
    {
      "radius": 25.0,
      "axis_origin": [
        0.0,
        0.0,
        12.0
      ],
      "z_bounds": [
        6.0,
        12.0
      ]
    }
  ],
  "horizontal_planar_faces": [
    {
      "z": 0.0,
      "area": 1230.697038162697
    },
    {
      "z": 5.0,
      "area": 725.8116828044087
    }
  ],
  "void_test_intersections_mm3": {
    "axial_bore_44_98mm": 0,
    "hole_-32.5_6_28mm": 0,
    "hole_32.5_6_28mm": 0
  },
  "neck_solid_probes_pass": true,
  "bell_parabola_coefficient_per_mm": 0.012022769170183623,
  "join_rz_mm": [
    31.324211435202525,
    39.09166509795542
  ],
  "join_slope_dr_dz": 0.6514336718172763,
  "parabolic_edge_residual_mm": 3.552713678800501e-15,
  "min_parabola_to_outer_cubic_mm": 2.5000000000003935,
  "minimum_structural_wall_mm": 2.5,
  "wall_measurement_method": "Cylindrical neck thickness 2.5 plus closest inner-parabola/outer-cubic meridian distance. Rounded cap has R2; edge-break endpoints excluded from structural-wall metric. Not an exhaustive medial-axis thickness certification.",
  "flange_thickness_mm": 5,
  "ear_hole_radial_ligament_mm": 4.35,
  "ear_hole_ligament_after_both_edge_breaks_mm": 3.95,
  "hardware_envelopes": [
    {
      "x": -32.5,
      "washer_overlap_mm3": 0,
      "nut_circumscribed_overlap_mm3": 0,
      "stud_overlap_mm3": 0,
      "axial_14mm_tool_overlap_mm3": 736.588965575836,
      "outward_lateral_14mm_tool_overlap_mm3": 0
    },
    {
      "x": 32.5,
      "washer_overlap_mm3": 0,
      "nut_circumscribed_overlap_mm3": 0,
      "stud_overlap_mm3": 0,
      "axial_14mm_tool_overlap_mm3": 736.969120273436,
      "outward_lateral_14mm_tool_overlap_mm3": 0
    }
  ],
  "paired_90mm_center_spacing_intersection_mm3": 0,
  "paired_minimum_distance_mm": 20.0,
  "lip_to_lip_nominal_gap_mm": 20,
  "geometry_repairs_used": 0,
  "geometry_repairs_budget": 2,
  "browser_view_acknowledged": false,
  "warnings": [
    "No carburetor body model or measured face passage map: retention and passage obstruction NOT VERIFIED.",
    "Axial socket approach blocked by bellmouth; lateral wrench required and actual wrench sweep NOT VERIFIED.",
    "35mm unsupported height / 2.5mm wall =14 exceeds 10x chatter guideline; supported machining and shop validation required.",
    "65mm pitch and 45mm flush bore are public nominal geometry, not a fit guarantee."
  ]
}