{
  "saved_at_utc": "2026-06-16T10:08:41.103473+00:00",
  "stage": "stage_2_view_selection",
  "provider": "openrouter",
  "model": "qwen/qwen3-vl-30b-a3b-instruct",
  "llm_data": {
    "assembly_info": {
      "title": "Ratchet Mechanism",
      "description": "A mechanical assembly that allows rotational motion in one direction while preventing motion in the opposite direction, commonly used in tools and machinery for controlled movement.",
      "material": "Steel"
    },
    "selected_views": [
      {
        "type": "Front",
        "reason": "Provides the primary view showing the overall height and arrangement of the ratchet gear, pawl, and connecting arm, essential for understanding the mechanism's operation."
      },
      {
        "type": "Top",
        "reason": "Reveals the circular flange, bolt pattern, and the alignment of the ratchet gear and connecting arm from above, critical for assembly and mounting."
      },
      {
        "type": "Left",
        "reason": "Shows the side profile of the ratchet gear, pawl engagement, and the pivot point, highlighting the mechanism's internal geometry and motion path."
      },
      {
        "type": "Isometric",
        "reason": "Offers a 3D perspective view that helps visualize the spatial relationship between components, aiding in assembly and understanding the mechanism's function."
      }
    ],
    "section_views": [
      {
        "symbol": "A",
        "normal": [
          0,
          1,
          0
        ],
        "origin": [
          0.0,
          0.0,
          0.0
        ],
        "reason": "Reveals the internal bore of the ratchet gear and the engagement of the pawl, showing the mechanism's internal structure and how it prevents reverse motion."
      }
    ],
    "detail_views": [
      {
        "reference": "C",
        "base_view": "Left",
        "anchor": [
          0.0,
          0.0,
          0.0
        ],
        "radius": 15,
        "reason": "Magnifies the pawl and ratchet gear teeth interaction, highlighting the critical engagement point for proper function."
      }
    ],
    "dimensions": {
      "Front": [
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 703.2,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0,
            0,
            0
          ],
          "value_approx": 100,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "center_distance",
          "dim_type": "Distance",
          "match_strategy": "between_circles",
          "circle_a": {
            "location_3d": [
              0,
              0,
              0
            ],
            "radius_approx": 50
          },
          "circle_b": {
            "location_3d": [
              0,
              0,
              0
            ],
            "radius_approx": 50
          },
          "value_approx": 150,
          "placement": "below",
          "offset_index": 2,
          "tolerance": null
        }
      ],
      "Top": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 211.7,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0,
            0,
            0
          ],
          "value_approx": 100,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "bolt_pattern",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0,
            0,
            0
          ],
          "value_approx": 80,
          "tolerance": null,
          "placement": "leader",
          "offset_index": 2
        }
      ],
      "Left": [
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 703.2,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0,
            0,
            0
          ],
          "value_approx": 100,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "angle",
          "dim_type": "Angle",
          "match_strategy": "nearest_angle_edges",
          "value_approx": 45,
          "placement": "above",
          "offset_index": 2,
          "tolerance": null
        }
      ],
      "Isometric": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 211.7,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 703.2,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_depth",
          "dim_type": "DistanceZ",
          "match_strategy": "extreme_vertices_z",
          "value_approx": 481.7,
          "placement": "below",
          "offset_index": 2,
          "tolerance": null
        }
      ],
      "Section A-A": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0,
            0,
            0
          ],
          "value_approx": 100,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "wall_thickness",
          "dim_type": "Distance",
          "match_strategy": "nearest_parallel_edges",
          "location_3d": [
            0,
            0,
            0
          ],
          "value_approx": 10,
          "placement": "below",
          "offset_index": 2,
          "tolerance": null
        }
      ],
      "Detail C": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0,
            0,
            0
          ],
          "value_approx": 10,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "radius",
          "dim_type": "Radius",
          "match_strategy": "nearest_arc",
          "value_approx": 5,
          "placement": "leader",
          "offset_index": 2,
          "tolerance": null
        }
      ]
    }
  }
}