{
  "saved_at_utc": "2026-05-19T15:54:09.386057+00:00",
  "stage": "stage_2_view_selection",
  "provider": "anthropic",
  "model": "claude-haiku-4-5-20251001",
  "llm_data": {
    "assembly_info": {
      "title": "Simple Hip Implant",
      "description": "A bare-bones hip implant featuring a cylindrical stem with a large femoral head articulation surface and multiple mounting features. The design includes a central bore, radial mounting holes, and textured engagement surfaces for bone integration.",
      "material": "Titanium alloy or medical-grade stainless steel"
    },
    "selected_views": [
      {
        "type": "Top",
        "reason": "Shows the circular femoral head articulation surface, the central bore, and the radial distribution of mounting holes and engagement features around the circumference—critical for understanding the implant's functional geometry and symmetry."
      },
      {
        "type": "Front",
        "reason": "Displays the overall height of the implant, the stem profile, and the relationship between the femoral head diameter and the stem geometry. Essential for establishing overall dimensions and proportions."
      },
      {
        "type": "Left",
        "reason": "Provides a side profile view showing the depth/thickness of the femoral head, the stem length, and the vertical relationship of mounting features—complements Front view for complete 3D understanding."
      },
      {
        "type": "Isometric",
        "reason": "Gives a 3D perspective of the complex geometry, showing how the femoral head, stem, and mounting features relate spatially. Helps manufacturers visualize the final assembly and assembly intent."
      }
    ],
    "section_views": [
      {
        "symbol": "A",
        "normal": [
          1,
          0,
          0
        ],
        "origin": [
          -18.485,
          0.0,
          46.6
        ],
        "reason": "Vertical section through the centerline reveals the internal bore diameter (approximately 31.75 mm), the stem wall thickness, and the internal structure of the femoral head articulation surface—critical for manufacturing the hollow stem and bore."
      }
    ],
    "detail_views": [
      {
        "reference": "B",
        "base_view": "Top",
        "anchor": [
          -18.485,
          -19.269,
          58.291
        ],
        "radius": 25,
        "reason": "Magnifies the central bore and the innermost mounting hole pattern to clearly show the bore diameter (31.75 mm) and the precise positioning of the radial mounting holes for accurate drilling and assembly."
      }
    ],
    "dimensions": {
      "Front": [
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 82.9,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 82.9,
          "placement": "above",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 27.9,
          "placement": "left",
          "offset_index": 2,
          "tolerance": null
        }
      ],
      "Top": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -18.485,
            -19.269,
            58.291
          ],
          "value_approx": 82.55,
          "placement": "leader",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -18.485,
            -19.269,
            32.891
          ],
          "value_approx": 31.75,
          "placement": "leader",
          "offset_index": 2,
          "tolerance": "H7"
        },
        {
          "type": "center_distance",
          "dim_type": "Distance",
          "match_strategy": "between_circles",
          "circle_a": {
            "location_3d": [
              -18.485,
              -19.269,
              32.891
            ],
            "radius_approx": 15.875
          },
          "circle_b": {
            "location_3d": [
              -37.676,
              -45.21,
              32.891
            ],
            "radius_approx": 0.1
          },
          "value_approx": 35.0,
          "placement": "leader",
          "offset_index": 3,
          "tolerance": null
        }
      ],
      "Left": [
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 82.9,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 27.9,
          "placement": "left",
          "offset_index": 2,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 25.2,
          "placement": "above",
          "offset_index": 3,
          "tolerance": null
        }
      ],
      "Section A-A": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -18.485,
            -19.269,
            32.891
          ],
          "value_approx": 31.75,
          "placement": "leader",
          "offset_index": 1,
          "tolerance": "H7"
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -18.485,
            -19.269,
            58.291
          ],
          "value_approx": 82.55,
          "placement": "leader",
          "offset_index": 2,
          "tolerance": null
        },
        {
          "type": "wall_thickness",
          "dim_type": "Distance",
          "match_strategy": "nearest_parallel_edges",
          "location_3d": [
            -18.485,
            -19.269,
            50.0
          ],
          "value_approx": 25.4,
          "placement": "right",
          "offset_index": 3,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 25.2,
          "placement": "left",
          "offset_index": 4,
          "tolerance": null
        }
      ],
      "Detail B": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -18.485,
            -19.269,
            32.891
          ],
          "value_approx": 31.75,
          "placement": "leader",
          "offset_index": 1,
          "tolerance": "H7"
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -37.676,
            -45.21,
            32.891
          ],
          "value_approx": 0.2,
          "placement": "leader",
          "offset_index": 2,
          "tolerance": null
        },
        {
          "type": "center_distance",
          "dim_type": "Distance",
          "match_strategy": "between_circles",
          "circle_a": {
            "location_3d": [
              -18.485,
              -19.269,
              32.891
            ],
            "radius_approx": 15.875
          },
          "circle_b": {
            "location_3d": [
              -37.676,
              -45.21,
              32.891
            ],
            "radius_approx": 0.1
          },
          "value_approx": 35.0,
          "placement": "leader",
          "offset_index": 3,
          "tolerance": null
        }
      ]
    }
  }
}