{
  "saved_at_utc": "2026-06-29T07:59:59.707953+00:00",
  "stage": "stage_2_view_selection",
  "provider": "openrouter",
  "model": "qwen/qwen3-vl-30b-a3b-instruct",
  "llm_data": {
    "assembly_info": {
      "title": "RC Fuel Tank",
      "description": "A compact fuel tank designed for remote-controlled vehicles, featuring a robust rectangular body with integrated mounting flanges and a central filler cap for easy refueling.",
      "material": "Plastic"
    },
    "selected_views": [
      {
        "type": "Front",
        "reason": "The front view clearly shows the overall length, the central filler cap, and the flange details, which are critical for assembly and installation."
      },
      {
        "type": "Top",
        "reason": "The top view reveals the width and the internal structure of the filler cap, providing essential information for manufacturing and alignment."
      },
      {
        "type": "Isometric",
        "reason": "The isometric view provides a 3D perspective, helping to visualize the part's overall shape and spatial relationships between features."
      }
    ],
    "section_views": [
      {
        "symbol": "A",
        "normal": [
          0,
          0,
          1
        ],
        "origin": [
          0.0,
          0.0,
          0.0
        ],
        "reason": "The section cut reveals the internal cavity and wall thickness, which are not visible in the orthographic views."
      }
    ],
    "detail_views": [
      {
        "reference": "C",
        "base_view": "Front",
        "anchor": [
          0.0,
          0.0,
          0.0
        ],
        "radius": 20,
        "reason": "The detail view magnifies the filler cap, showing the thread and sealing surface for precise manufacturing."
      }
    ],
    "dimensions": {
      "Front": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 93.1,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 46.5,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0.0,
            0.0,
            0.0
          ],
          "value_approx": 15.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ],
      "Top": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 93.1,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 46.5,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0.0,
            0.0,
            0.0
          ],
          "value_approx": 15.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ],
      "Section A-A": [
        {
          "type": "wall_thickness",
          "dim_type": "Distance",
          "match_strategy": "nearest_parallel_edges",
          "location_3d": [
            0.0,
            0.0,
            0.0
          ],
          "value_approx": 3.0,
          "placement": "leader",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0.0,
            0.0,
            0.0
          ],
          "value_approx": 15.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ],
      "Detail C": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0.0,
            0.0,
            0.0
          ],
          "value_approx": 15.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ]
    }
  }
}