{
  "saved_at_utc": "2026-05-25T06:13:44.728935+00:00",
  "stage": "stage_2_view_selection",
  "provider": "anthropic",
  "model": "claude-haiku-4-5-20251001",
  "llm_data": {
    "assembly_info": {
      "title": "Hammer Mill Crusher Machine",
      "description": "A compact, portable material processing machine featuring a robust crushing mechanism with rotating hammer elements, hopper feed system, and motor-driven transmission. Designed for small-scale size-reduction applications with easy maintenance access.",
      "material": "Structural steel frame, cast iron/ductile iron housing, hardened steel hammers and shafts"
    },
    "selected_views": [
      {
        "type": "Front",
        "reason": "Shows the primary elevation with hopper, crushing chamber outline, and overall height. Essential for understanding the feed system and main crushing cavity proportions."
      },
      {
        "type": "Top",
        "reason": "Reveals the hopper shape (tapered funnel), internal rotor/hammer arrangement, motor position, and width distribution. Critical for understanding material flow and internal mechanism layout."
      },
      {
        "type": "Left",
        "reason": "Displays the side profile showing the complete assembly depth, motor/transmission location, support frame structure, and discharge chute angle. Unique perspective on mechanical drive system."
      },
      {
        "type": "Isometric",
        "reason": "Provides 3D context showing how all components integrate: hopper, crushing chamber, motor, frame, and discharge system. Helps visualize spatial relationships and assembly intent."
      }
    ],
    "section_views": [
      {
        "symbol": "A",
        "normal": [
          1,
          0,
          0
        ],
        "origin": [
          157.62,
          0,
          0
        ],
        "reason": "Vertical section through the centerline reveals internal rotor/hammer arrangement, crushing chamber geometry, motor mounting, and bearing locations. Shows wall thicknesses and internal cavity proportions essential for manufacturing."
      },
      {
        "symbol": "B",
        "normal": [
          0,
          1,
          0
        ],
        "origin": [
          157.62,
          -40.85,
          0
        ],
        "reason": "Longitudinal section shows hopper taper, material flow path, rotor depth, motor position relative to crushing chamber, and discharge outlet. Critical for understanding the complete crushing and discharge mechanism."
      }
    ],
    "detail_views": [
      {
        "reference": "C",
        "base_view": "Top",
        "anchor": [
          157.62,
          -200,
          0
        ],
        "radius": 80,
        "reason": "Magnifies the rotor/hammer assembly showing hammer attachment points, rotor shaft diameter, and spacing. Essential for manufacturing the critical rotating element."
      },
      {
        "reference": "D",
        "base_view": "Left",
        "anchor": [
          157.62,
          -40.85,
          200
        ],
        "radius": 60,
        "reason": "Magnifies the motor mounting and transmission interface showing coupling details, bearing locations, and drive shaft connections. Critical for assembly and alignment."
      }
    ],
    "dimensions": {
      "Front": [
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 1537,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 552,
          "placement": "above",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 380,
          "placement": "right",
          "offset_index": 2,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 450,
          "placement": "left",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Top": [
        {
          "type": "overall_width",
          "dim_type": "DistanceX",
          "match_strategy": "extreme_vertices_x",
          "value_approx": 552,
          "placement": "above",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 320,
          "placement": "right",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 280,
          "placement": "left",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 200,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Left": [
        {
          "type": "overall_height",
          "dim_type": "DistanceY",
          "match_strategy": "extreme_vertices_y",
          "value_approx": 1537,
          "placement": "left",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 758,
          "placement": "above",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 420,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "angle",
          "dim_type": "Angle",
          "match_strategy": "nearest_angle_edges",
          "value_approx": 35,
          "placement": "leader",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Section A-A": [
        {
          "type": "wall_thickness",
          "dim_type": "Distance",
          "match_strategy": "nearest_parallel_edges",
          "location_3d": [
            157.62,
            -100,
            0
          ],
          "value_approx": 12,
          "placement": "right",
          "offset_index": 1,
          "tolerance": "+-0.5"
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            157.62,
            -200,
            0
          ],
          "value_approx": 180,
          "placement": "leader",
          "offset_index": 1,
          "tolerance": "H7"
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 280,
          "placement": "right",
          "offset_index": 2,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 350,
          "placement": "left",
          "offset_index": 1,
          "tolerance": null
        }
      ],
      "Section B-B": [
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 420,
          "placement": "above",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 380,
          "placement": "below",
          "offset_index": 1,
          "tolerance": null
        },
        {
          "type": "wall_thickness",
          "dim_type": "Distance",
          "match_strategy": "nearest_parallel_edges",
          "location_3d": [
            157.62,
            -300,
            0
          ],
          "value_approx": 10,
          "placement": "right",
          "offset_index": 1,
          "tolerance": "+-0.5"
        },
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            157.62,
            -100,
            0
          ],
          "value_approx": 85,
          "placement": "leader",
          "offset_index": 1,
          "tolerance": "H8"
        }
      ],
      "Detail C": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            157.62,
            -200,
            0
          ],
          "value_approx": 180,
          "placement": "leader",
          "offset_index": 1,
          "tolerance": "H7"
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 65,
          "placement": "right",
          "offset_index": 1,
          "tolerance": "+-1"
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 45,
          "placement": "below",
          "offset_index": 1,
          "tolerance": "+-0.5"
        }
      ],
      "Detail D": [
        {
          "type": "diameter",
          "dim_type": "Diameter",
          "match_strategy": "nearest_circle",
          "location_3d": [
            157.62,
            -40.85,
            200
          ],
          "value_approx": 85,
          "placement": "leader",
          "offset_index": 1,
          "tolerance": "H8"
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 120,
          "placement": "right",
          "offset_index": 1,
          "tolerance": "+-1"
        },
        {
          "type": "linear_distance",
          "dim_type": "Distance",
          "match_strategy": "nearest_edge_pair",
          "value_approx": 95,
          "placement": "below",
          "offset_index": 1,
          "tolerance": "+-0.5"
        }
      ]
    }
  }
}