{
  "saved_at_utc": "2026-07-02T09:07:23.213094+00:00",
  "stage": "stage_2_view_selection",
  "provider": "openrouter",
  "model": "qwen/qwen3-vl-30b-a3b-instruct",
  "llm_data": {
    "assembly_info": {
      "title": "Wing Box Structure",
      "description": "A wing box structure based on a NACA2412 airfoil profile, designed for aerodynamic efficiency and structural integrity in aerospace applications.",
      "material": "Aluminum Alloy"
    },
    "selected_views": [
      {
        "type": "Front",
        "reason": "The Front view clearly shows the airfoil profile and the internal grid structure, providing a primary view of the wing box's shape and key features."
      },
      {
        "type": "Top",
        "reason": "The Top view reveals the full extent of the internal grid and the curvature of the leading edge, essential for understanding the structural layout."
      },
      {
        "type": "Left",
        "reason": "The Left view provides a side profile showing the thickness and length of the wing box, crucial for manufacturing and assembly."
      },
      {
        "type": "Isometric",
        "reason": "The Isometric view offers a 3D perspective, helping to visualize the spatial relationship between the external skin and internal framework."
      }
    ],
    "section_views": [
      {
        "symbol": "A",
        "normal": [
          0,
          0,
          1
        ],
        "origin": [
          23.57,
          69.32,
          0.62
        ],
        "reason": "The section cut along the Z-axis reveals the internal honeycomb structure and wall thickness, critical for understanding the load-bearing design."
      }
    ],
    "detail_views": [
      {
        "reference": "B",
        "base_view": "Front",
        "anchor": [
          23.57,
          69.32,
          0.62
        ],
        "radius": 10,
        "reason": "The detail view magnifies the leading edge fillet, showing the precise radius and transition from the airfoil to the internal structure."
      }
    ],
    "dimensions": {
      "Front": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 48.6,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 138.8,
          "placement": "above",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            23.57,
            69.32,
            0.62
          ],
          "value_approx": 5.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ],
      "Top": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 48.6,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 138.8,
          "placement": "above",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "center_distance",
          "dim_type": "Distance",
          "match_strategy": "between_circles",
          "circle_a": {
            "location_3d": [
              10.0,
              69.32,
              0.62
            ],
            "radius_approx": 2.5
          },
          "circle_b": {
            "location_3d": [
              37.0,
              69.32,
              0.62
            ],
            "radius_approx": 2.5
          },
          "value_approx": 27.0,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Left": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 48.6,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 138.8,
          "placement": "above",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "wall_thickness",
          "dim_type": "Distance",
          "match_strategy": "nearest_parallel_edges",
          "location_3d": [
            23.57,
            69.32,
            -2.38
          ],
          "value_approx": 6.4,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Isometric": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 48.6,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 138.8,
          "placement": "above",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Section A-A": [
        {
          "type": "wall_thickness",
          "dim_type": "Distance",
          "match_strategy": "nearest_parallel_edges",
          "location_3d": [
            23.57,
            69.32,
            0.62
          ],
          "value_approx": 6.4,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            23.57,
            69.32,
            0.62
          ],
          "value_approx": 5.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ],
      "Detail B": [
        {
          "type": "radius",
          "dim_type": "Radius",
          "match_strategy": "nearest_arc",
          "location_3d": [
            23.57,
            69.32,
            0.62
          ],
          "value_approx": 5.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ]
    }
  }
}