{
  "saved_at_utc": "2026-05-25T07:04:15.640817+00:00",
  "stage": "stage_2_view_selection",
  "provider": "anthropic",
  "model": "claude-haiku-4-5-20251001",
  "llm_data": {
    "assembly_info": {
      "title": "Press Tool Die Assembly",
      "description": "A precision press tool die assembly consisting of upper and lower platens with a central hydraulic cylinder, compression springs, and a multi-hole pattern work surface. Used for stamping, forming, or pressing operations in manufacturing.",
      "material": "Steel (platens, cylinder, base); Spring steel (compression springs)"
    },
    "selected_views": [
      {
        "type": "Front",
        "reason": "Shows the overall height, vertical arrangement of platens, central cylinder, and spring mechanism. Essential for understanding the press assembly's vertical profile and component stacking."
      },
      {
        "type": "Top",
        "reason": "Reveals the critical multi-hole pattern on the upper work surface, including large diameter holes (likely for locating pins or ejectors) and smaller fastener holes. Essential for manufacturing the work surface and hole positioning."
      },
      {
        "type": "Left",
        "reason": "Provides side elevation showing depth, spring arrangement, and cylinder positioning. Confirms symmetry and reveals features not visible in front view (spring placement, internal cavity depth)."
      },
      {
        "type": "Isometric",
        "reason": "Provides 3D context showing the overall assembly structure, spatial relationships between platens, cylinder, and springs. Helps manufacturers understand how components fit together."
      }
    ],
    "section_views": [
      {
        "symbol": "A",
        "normal": [
          1,
          0,
          0
        ],
        "origin": [
          0.0,
          0.0,
          31.7
        ],
        "reason": "Vertical section through the centerline (YZ plane) reveals internal cavity depth, spring compression chamber, cylinder bore diameter, and wall thicknesses of the central cavity. Critical for understanding internal geometry and manufacturing internal features."
      }
    ],
    "detail_views": [
      {
        "reference": "B",
        "base_view": "Top",
        "anchor": [
          350.0,
          0.0,
          264.15
        ],
        "radius": 40,
        "reason": "Magnifies the large diameter hole pattern (likely locating pins or ejector holes) to show precise hole diameter and any counterbore/chamfer details that may be too small to read at normal scale."
      }
    ],
    "dimensions": {
      "Front": [
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 539,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 809,
          "placement": "above",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 180,
          "placement": "left",
          "offset_index": 2,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -200.0,
            0.0,
            150.0
          ],
          "value_approx": 80,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            200.0,
            0.0,
            150.0
          ],
          "value_approx": 80,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        }
      ],
      "Top": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 809,
          "placement": "above",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 539,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            -350.0,
            0.0,
            264.15
          ],
          "value_approx": 120,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            350.0,
            0.0,
            264.15
          ],
          "value_approx": 120,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "center_distance",
          "dim_type": "Distance",
          "match_strategy": "between_circles",
          "circle_a": {
            "location_3d": [
              -350.0,
              0.0,
              264.15
            ],
            "radius_approx": 60
          },
          "circle_b": {
            "location_3d": [
              350.0,
              0.0,
              264.15
            ],
            "radius_approx": 60
          },
          "value_approx": 700,
          "placement": "above",
          "offset_index": 2,
          "tolerance": "±1"
        },
        {
          "type": "bolt_pattern",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0.0,
            100.0,
            264.15
          ],
          "value_approx": 6,
          "tolerance": "H8",
          "placement": "leader",
          "offset_index": 1
        }
      ],
      "Left": [
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 465,
          "placement": "left",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 120,
          "placement": "right",
          "offset_index": 2,
          "tolerance": null
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0.0,
            0.0,
            150.0
          ],
          "value_approx": 60,
          "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,
            31.7
          ],
          "value_approx": 25,
          "placement": "right",
          "offset_index": 1,
          "tolerance": "±0.5"
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            0.0,
            0.0,
            31.7
          ],
          "value_approx": 60,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 100,
          "placement": "left",
          "offset_index": 2,
          "tolerance": null
        }
      ],
      "Detail B": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            350.0,
            0.0,
            264.15
          ],
          "value_approx": 120,
          "tolerance": "H7",
          "placement": "leader",
          "offset_index": 1
        },
        {
          "type": "radius",
          "dim_type": "Radius",
          "match_strategy": "nearest_arc",
          "location_3d": [
            350.0,
            0.0,
            264.15
          ],
          "value_approx": 2,
          "tolerance": "±0.2",
          "placement": "leader",
          "offset_index": 2
        }
      ]
    }
  }
}