{
  "saved_at_utc": "2026-06-30T20:52:52.175820+00:00",
  "stage": "stage_2_view_selection",
  "provider": "openrouter",
  "model": "qwen/qwen3-vl-30b-a3b-instruct",
  "llm_data": {
    "assembly_info": {
      "title": "GEARBOX ASSEMBLY",
      "description": "A complex gearbox assembly designed to transmit power and change rotational speed, featuring multiple shafts, gears, bearings, and a flange for mounting.",
      "material": "Steel"
    },
    "selected_views": [
      {
        "type": "Front",
        "reason": "The Front view provides the primary orthographic projection, clearly showing the overall height, the arrangement of the main shafts, the motor mounting flange, and the gear train components in a single, comprehensive view."
      },
      {
        "type": "Top",
        "reason": "The Top view is essential for understanding the plan layout, showing the circular bolt pattern for the base, the location of the motor, and the overall footprint of the assembly."
      },
      {
        "type": "Isometric",
        "reason": "The Isometric view offers a 3D perspective that clarifies the spatial relationships between all components, making it easier to visualize the assembly's complexity and how the parts fit together."
      }
    ],
    "section_views": [
      {
        "symbol": "A",
        "normal": [
          0,
          1,
          0
        ],
        "origin": [
          0.0,
          0.0,
          0.0
        ],
        "reason": "A vertical section along the YZ plane reveals the internal bore of the main housing, the shaft alignment, and the internal gear and bearing arrangement, which are not visible in the standard orthographic views."
      }
    ],
    "detail_views": [
      {
        "reference": "B",
        "base_view": "Front",
        "anchor": [
          34.573,
          18.319,
          -110.488
        ],
        "radius": 15,
        "reason": "This detail view magnifies the small bore for the motor shaft, clearly showing the 8.2 mm diameter hole and its location, which is critical for assembly and alignment."
      }
    ],
    "dimensions": {
      "Front": [
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 889.3,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            9.475,
            -2.329,
            -179.971
          ],
          "value_approx": 248.5,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            9.475,
            -2.329,
            -179.971
          ],
          "value_approx": 188.5,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 2
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            9.475,
            -2.329,
            -110.488
          ],
          "value_approx": 8.2,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 3
        },
        {
          "type": "center_distance",
          "dim_type": "Distance",
          "match_strategy": "between_circles",
          "circle_a": {
            "location_3d": [
              34.573,
              18.319,
              -110.488
            ],
            "radius_approx": 4.1
          },
          "circle_b": {
            "location_3d": [
              -11.173,
              22.769,
              -110.488
            ],
            "radius_approx": 4.1
          },
          "value_approx": 45.74,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Top": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 279.0,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            9.475,
            -2.329,
            217.583
          ],
          "value_approx": 130.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            9.475,
            -2.329,
            217.583
          ],
          "value_approx": 13.0,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 2
        },
        {
          "type": "center_distance",
          "dim_type": "Distance",
          "match_strategy": "between_circles",
          "circle_a": {
            "location_3d": [
              32.375,
              76.929,
              217.583
            ],
            "radius_approx": 6.5
          },
          "circle_b": {
            "location_3d": [
              81.712,
              37.522,
              217.583
            ],
            "radius_approx": 6.5
          },
          "value_approx": 50.7,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Isometric": [
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 889.3,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 279.0,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Section A-A": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            9.475,
            -2.329,
            -179.971
          ],
          "value_approx": 248.5,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            9.475,
            -2.329,
            -179.971
          ],
          "value_approx": 188.5,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 2
        },
        {
          "type": "wall_thickness",
          "dim_type": "Distance",
          "match_strategy": "nearest_parallel_edges",
          "location_3d": [
            9.475,
            -2.329,
            -179.971
          ],
          "value_approx": 30.0,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Detail B": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            34.573,
            18.319,
            -110.488
          ],
          "value_approx": 8.2,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ]
    }
  }
}