{
  "saved_at_utc": "2026-07-04T19:40:21.675062+00:00",
  "stage": "stage_2_view_selection",
  "provider": "openrouter",
  "model": "qwen/qwen3-vl-30b-a3b-instruct",
  "llm_data": {
    "assembly_info": {
      "title": "Lockheed Martin F-117 Nighthawk",
      "description": "A technical drawing of the Lockheed Martin F-117 Nighthawk, a stealth attack aircraft, modeled using surface modeling in Fusion360. This drawing communicates the aircraft's unique faceted geometry and overall dimensions for manufacturing and inspection.",
      "material": "Aluminum alloy"
    },
    "selected_views": [
      {
        "type": "Front",
        "reason": "The Front view clearly shows the aircraft's symmetrical planform, including the wing sweep, tail fin configuration, and the overall width, which are critical for understanding its stealth profile and layout."
      },
      {
        "type": "Top",
        "reason": "The Top view provides the most accurate representation of the aircraft's planform and overall length, revealing the full span of the wings and the fuselage length, which are essential for manufacturing and assembly."
      },
      {
        "type": "Left",
        "reason": "The Left view is necessary to show the side profile, including the thickness of the fuselage and the tapering of the wings and tail, providing a complete understanding of the aircraft's three-dimensional form."
      },
      {
        "type": "Isometric",
        "reason": "The Isometric view offers a 3D perspective that helps visualize the complex faceted geometry and spatial relationships between different components, aiding in assembly and quality control."
      }
    ],
    "section_views": [
      {
        "symbol": "A",
        "normal": [
          0,
          0,
          1
        ],
        "origin": [
          0.0,
          0.0,
          0.7
        ],
        "reason": "A horizontal section through the mid-plane reveals the internal structure of the fuselage, including the thickness of the skin and the internal cavity, which is crucial for understanding the aircraft's construction."
      }
    ],
    "detail_views": [
      {
        "reference": "B",
        "base_view": "Front",
        "anchor": [
          0.0,
          0.0,
          0.0
        ],
        "radius": 10,
        "reason": "This detail view magnifies the leading edge of the wing, highlighting the precise angles and facets that contribute to the aircraft's stealth characteristics, which are too small to be clearly seen in the main views."
      }
    ],
    "dimensions": {
      "Front": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 136.3,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 211.2,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceZ",
          "match_strategy": "extreme_vertices_z",
          "value_approx": 25.5,
          "placement": "left",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0.0,
            0.0,
            0.0
          ],
          "value_approx": 10.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ],
      "Top": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 136.3,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 211.2,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceZ",
          "match_strategy": "extreme_vertices_z",
          "value_approx": 25.5,
          "placement": "left",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "center_distance",
          "dim_type": "Distance",
          "match_strategy": "between_circles",
          "circle_a": {
            "location_3d": [
              -10.0,
              0.0,
              0.0
            ],
            "radius_approx": 5.0
          },
          "circle_b": {
            "location_3d": [
              10.0,
              0.0,
              0.0
            ],
            "radius_approx": 5.0
          },
          "value_approx": 20.0,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Left": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 136.3,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 211.2,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceZ",
          "match_strategy": "extreme_vertices_z",
          "value_approx": 25.5,
          "placement": "left",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "wall_thickness",
          "dim_type": "Distance",
          "match_strategy": "nearest_parallel_edges",
          "location_3d": [
            0.0,
            0.0,
            0.0
          ],
          "value_approx": 5.0,
          "placement": "leader",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Isometric": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 136.3,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 211.2,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceZ",
          "match_strategy": "extreme_vertices_z",
          "value_approx": 25.5,
          "placement": "left",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Section A-A": [
        {
          "type": "wall_thickness",
          "dim_type": "Distance",
          "match_strategy": "nearest_parallel_edges",
          "location_3d": [
            0.0,
            0.0,
            0.7
          ],
          "value_approx": 5.0,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0.0,
            0.0,
            0.7
          ],
          "value_approx": 10.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ],
      "Detail B": [
        {
          "type": "angle",
          "dim_type": "Angle",
          "match_strategy": "nearest_angle_edges",
          "value_approx": 45.0,
          "placement": "leader",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 10.0,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        }
      ]
    }
  }
}