{
  "saved_at_utc": "2026-06-26T15:40:38.332309+00:00",
  "stage": "stage_2_view_selection",
  "provider": "openrouter",
  "model": "qwen/qwen3-vl-30b-a3b-instruct",
  "llm_data": {
    "assembly_info": {
      "title": "Tecuro 1/2\" Female Brass Tee Fitting",
      "description": "A brass tee fitting with three female 1/2\" UNC threaded ports, designed for plumbing applications. The fitting features a central body with three ports arranged in a T-shape and includes a 'MADE IN ITALY' marking.",
      "material": "Brass"
    },
    "selected_views": [
      {
        "type": "Front",
        "reason": "The front view clearly shows the overall length and the two side ports, providing the primary orthographic view for the fitting's main body and the 'MADE IN ITALY' marking."
      },
      {
        "type": "Top",
        "reason": "The top view reveals the T-shape of the fitting, showing the central port and the two side ports, which is essential for understanding the layout and orientation of the three connections."
      },
      {
        "type": "Left",
        "reason": "The left view provides a clear view of the internal bore and the flange thickness, which is critical for manufacturing and assembly."
      },
      {
        "type": "Isometric",
        "reason": "The isometric view offers a 3D perspective that helps visualize the entire fitting, including the threading and the 'MADE IN ITALY' marking, aiding in assembly and inspection."
      }
    ],
    "section_views": [
      {
        "symbol": "A",
        "normal": [
          0,
          1,
          0
        ],
        "origin": [
          0.0,
          0.0,
          0.0
        ],
        "reason": "The section view reveals the internal bore diameter and wall thickness, which are critical for ensuring proper fit and flow in plumbing applications."
      }
    ],
    "detail_views": [
      {
        "reference": "C",
        "base_view": "Left",
        "anchor": [
          0.0,
          0.0,
          0.0
        ],
        "radius": 20,
        "reason": "The detail view magnifies the internal threading of the port, which is essential for ensuring correct thread engagement and sealing."
      }
    ],
    "dimensions": {
      "Front": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 47.1,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 37.1,
          "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": 12.7,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ],
      "Top": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 47.1,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 37.1,
          "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": 12.7,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ],
      "Left": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0.0,
            0.0,
            0.0
          ],
          "value_approx": 12.7,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "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
        }
      ],
      "Isometric": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 47.1,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 37.1,
          "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": 12.7,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ],
      "Section A-A": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0.0,
            0.0,
            0.0
          ],
          "value_approx": 12.7,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "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
        }
      ],
      "Detail C": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0.0,
            0.0,
            0.0
          ],
          "value_approx": 12.7,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "thread_pitch",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 1.8,
          "placement": "leader",
          "offset_index": 1,
          "tolerance": null
        }
      ]
    }
  }
}