{
  "saved_at_utc": "2026-06-22T16:16:50.716532+00:00",
  "stage": "stage_2_view_selection",
  "provider": "openrouter",
  "model": "qwen/qwen3-vl-30b-a3b-instruct",
  "llm_data": {
    "assembly_info": {
      "title": "Robotic Arm Assembly",
      "description": "This assembly is a robotic arm designed for industrial automation tasks, featuring a base, articulated joints, and an end effector for gripping or manipulating objects.",
      "material": "Aluminum Alloy"
    },
    "selected_views": [
      {
        "type": "Front",
        "reason": "The Front view clearly shows the overall profile of the robotic arm, including the base, the main arm linkage, and the end effector, providing a primary reference for dimensions and alignment."
      },
      {
        "type": "Top",
        "reason": "The Top view reveals the horizontal layout of the base and the arm's articulation, showing the arrangement of the joints and the reach of the arm in the horizontal plane."
      },
      {
        "type": "Left",
        "reason": "The Left view provides a side profile that helps in understanding the depth and vertical alignment of the components, particularly the joint mechanisms and the arm's extension."
      },
      {
        "type": "Isometric",
        "reason": "The Isometric view offers a 3D perspective that helps in visualizing the entire assembly's spatial relationships and overall form, aiding in comprehension of the design."
      }
    ],
    "section_views": [
      {
        "symbol": "A",
        "normal": [
          0,
          1,
          0
        ],
        "origin": [
          0.0,
          0.0,
          0.0
        ],
        "reason": "A section cut along the Y-axis reveals the internal structure of the base and the first joint, showing the mounting and alignment of internal components."
      }
    ],
    "detail_views": [
      {
        "reference": "B",
        "base_view": "Front",
        "anchor": [
          0.0,
          0.0,
          0.0
        ],
        "radius": 20,
        "reason": "This detail view magnifies the end effector's gripping mechanism, highlighting the small features and tolerances required for precise operation."
      }
    ],
    "dimensions": {
      "Front": [
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 876.7,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 789.0,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            200,
            300,
            400
          ],
          "value_approx": 150,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "center_distance",
          "dim_type": "Distance",
          "match_strategy": "between_circles",
          "circle_a": {
            "location_3d": [
              100,
              200,
              300
            ],
            "radius_approx": 50
          },
          "circle_b": {
            "location_3d": [
              300,
              400,
              500
            ],
            "radius_approx": 50
          },
          "value_approx": 200,
          "placement": "below",
          "offset_index": 2,
          "tolerance": null
        }
      ],
      "Top": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 789.0,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 876.7,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            300,
            500,
            600
          ],
          "value_approx": 100,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ],
      "Left": [
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 876.7,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 789.0,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Isometric": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 789.0,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 876.7,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Section A-A": [
        {
          "type": "wall_thickness",
          "dim_type": "Distance",
          "match_strategy": "nearest_parallel_edges",
          "location_3d": [
            100,
            200,
            300
          ],
          "value_approx": 10,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            150,
            250,
            350
          ],
          "value_approx": 80,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ],
      "Detail B": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            200,
            300,
            400
          ],
          "value_approx": 50,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 20,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        }
      ]
    }
  }
}