← mecheval / run / a2-bolt-circle-block-01 / claude-direct-claude-sonnet-4-6 / 20260428T212051Z-79c9

run 20260428T212051Z-79c9

a2-bolt-circle-block-01 · claude-direct-claude-sonnet-4-6

Summary

statusPASS
score1.00 (6/6)
submissionself-run
modelclaude-direct-claude-sonnet-4-6 (anthropic)
started2026-04-28T21:20:51.778Z
ended2026-04-28T21:21:03.055Z
tokens686 in · 1,432 out · 2,118 total
wallclock10.7s
tool calls1
task hash5478fe0e89d6ecbb…
vcad hash234be46609ec47f3…

Prompt

Make a square block 60mm × 60mm × 10mm. Center it in X and Y, with the bottom face on the XY plane (z = 0 to z = 10). Drill eight through-holes of diameter 5mm, axes parallel to Z, on a bolt circle of radius 20mm centered on the Z axis. Holes are evenly spaced every 45 degrees, with the first hole on the +X axis. Output a single solid.

Checks

0
valid_solid
pass
params + details 
params: {
  "type": "valid_solid"
}

details: {
  "root_count": 1,
  "solids_produced": 1
}
1
bbox
pass
params + details 
params: {
  "type": "bbox",
  "min": [
    -30,
    -30,
    0
  ],
  "max": [
    30,
    30,
    10
  ],
  "tolerance_mm": 0.1
}

details: {
  "actual_max": [
    30,
    30,
    10
  ],
  "actual_min": [
    -30,
    -30,
    0
  ],
  "deviation_max": [
    0,
    0,
    0
  ],
  "deviation_min": [
    0,
    0,
    0
  ],
  "max_abs_deviation_mm": 0,
  "tolerance_mm": 0.1
}
2
mass_props
pass
params + details 
params: {
  "type": "mass_props",
  "volume_mm3": 34429.2,
  "tolerance_pct": 0.5
}

details: {
  "volume": {
    "actual_mm3": 34439.277360888394,
    "deviation_pct": 0.029269808442825798,
    "pass": true,
    "spec_mm3": 34429.2,
    "tolerance_pct": 0.5
  }
}
3
hole_count
pass
params + details 
params: {
  "type": "hole_count",
  "diameter_mm": 5,
  "expected": 8,
  "diameter_tolerance_mm": 0.05
}

details: {
  "actual": 8,
  "diameter_mm": 5,
  "diameter_tolerance_mm": 0.05,
  "expected": 8,
  "found": [
    [
      20,
      0,
      5
    ],
    [
      14.142135623730953,
      14.142135623730953,
      5
    ],
    [
      0,
      20,
      5
    ],
    [
      -14.142135623730953,
      14.142135623730953,
      5
    ],
    [
      -20,
      0,
      5
    ],
    [
      -14.142135623730953,
      -14.142135623730953,
      5
    ],
    [
      0,
      -20,
      5
    ],
    [
      14.142135623730953,
      -14.142135623730953,
      5
    ]
  ]
}
4
hole_positions
pass
params + details 
params: {
  "type": "hole_positions",
  "diameter_mm": 5,
  "positions": [
    [
      20,
      0,
      0
    ],
    [
      14.14,
      14.14,
      0
    ],
    [
      0,
      20,
      0
    ],
    [
      -14.14,
      14.14,
      0
    ],
    [
      -20,
      0,
      0
    ],
    [
      -14.14,
      -14.14,
      0
    ],
    [
      0,
      -20,
      0
    ],
    [
      14.14,
      -14.14,
      0
    ]
  ],
  "tolerance_mm": 0.2
}

details: {
  "diameter_mm": 5,
  "per_expected": [
    {
      "distance_mm": 0,
      "matched_hole": [
        20,
        0
      ],
      "pass": true,
      "spec_xy": [
        20,
        0
      ]
    },
    {
      "distance_mm": 0.0030202280444384575,
      "matched_hole": [
        14.142135623730953,
        14.142135623730953
      ],
      "pass": true,
      "spec_xy": [
        14.14,
        14.14
      ]
    },
    {
      "distance_mm": 0,
      "matched_hole": [
        0,
        20
      ],
      "pass": true,
      "spec_xy": [
        0,
        20
      ]
    },
    {
      "distance_mm": 0.0030202280444384575,
      "matched_hole": [
        -14.142135623730953,
        14.142135623730953
      ],
      "pass": true,
      "spec_xy": [
        -14.14,
        14.14
      ]
    },
    {
      "distance_mm": 0,
      "matched_hole": [
        -20,
        0
      ],
      "pass": true,
      "spec_xy": [
        -20,
        0
      ]
    },
    {
      "distance_mm": 0.0030202280444384575,
      "matched_hole": [
        -14.142135623730953,
        -14.142135623730953
      ],
      "pass": true,
      "spec_xy": [
        -14.14,
        -14.14
      ]
    },
    {
      "distance_mm": 0,
      "matched_hole": [
        0,
        -20
      ],
      "pass": true,
      "spec_xy": [
        0,
        -20
      ]
    },
    {
      "distance_mm": 0.0030202280444384575,
      "matched_hole": [
        14.142135623730953,
        -14.142135623730953
      ],
      "pass": true,
      "spec_xy": [
        14.14,
        -14.14
      ]
    }
  ],
  "tolerance_mm": 0.2,
  "unmatched_extras": []
}
5
step_roundtrip
pass
params + details 
params: {
  "type": "step_roundtrip",
  "tolerance_pct": 1
}

details: {
  "per_solid": [
    {
      "bbox": {
        "max_abs_deviation_mm": 0,
        "original_max": [
          30,
          30,
          10
        ],
        "original_min": [
          -30,
          -30,
          0
        ],
        "pass": true,
        "roundtripped_max": [
          30,
          30,
          10
        ],
        "roundtripped_min": [
          -30,
          -30,
          0
        ],
        "tolerance_mm": 0.8544003745317531
      },
      "index": 0,
      "pass": true,
      "volume": {
        "deviation_pct": 0,
        "original_mm3": 34439.277360888394,
        "pass": true,
        "roundtripped_mm3": 34439.277360888394
      }
    }
  ],
  "tolerance_pct": 1
}

Tool calls

0
anthropic.messages.create
ok
10746ms
args
{
  "model": "claude-sonnet-4-6",
  "max_tokens": 8000,
  "system_chars": 1632,
  "user_chars": 403
}

What the model built

isometric render via vcad-render · the model's actual .vcad output, faceted at 28 segments per cylinder · download 20260428T212051Z-79c9.vcad

.vcad source

{
  "version": "0.1",
  "nodes": {
    "1": {"id": 1, "name": "block", "op": {"type": "Cube", "size": {"x": 60, "y": 60, "z": 10}}},
    "2": {"id": 2, "name": "block_centered", "op": {"type": "Translate", "child": 1, "offset": {"x": -30, "y": -30, "z": 0}}},

    "10": {"id": 10, "name": "hole_cyl_0", "op": {"type": "Cylinder", "radius": 2.5, "height": 10, "segments": 32}},
    "11": {"id": 11, "name": "hole_0", "op": {"type": "Translate", "child": 10, "offset": {"x": 20, "y": 0, "z": 0}}},

    "20": {"id": 20, "name": "hole_cyl_1", "op": {"type": "Cylinder", "radius": 2.5, "height": 10, "segments": 32}},
    "21": {"id": 21, "name": "hole_1", "op": {"type": "Translate", "child": 20, "offset": {"x": 14.142135623730951, "y": 14.142135623730951, "z": 0}}},

    "30": {"id": 30, "name": "hole_cyl_2", "op": {"type": "Cylinder", "radius": 2.5, "height": 10, "segments": 32}},
    "31": {"id": 31, "name": "hole_2", "op": {"type": "Translate", "child": 30, "offset": {"x": 0, "y": 20, "z": 0}}},

    "40": {"id": 40, "name": "hole_cyl_3", "op": {"type": "Cylinder", "radius": 2.5, "height": 10, "segments": 32}},
    "41": {"id": 41, "name": "hole_3", "op": {"type": "Translate", "child": 40, "offset": {"x": -14.142135623730951, "y": 14.142135623730951, "z": 0}}},

    "50": {"id": 50, "name": "hole_cyl_4", "op": {"type": "Cylinder", "radius": 2.5, "height": 10, "segments": 32}},
    "51": {"id": 51, "name": "hole_4", "op": {"type": "Translate", "child": 50, "offset": {"x": -20, "y": 0, "z": 0}}},

    "60": {"id": 60, "name": "hole_cyl_5", "op": {"type": "Cylinder", "radius": 2.5, "height": 10, "segments": 32}},
    "61": {"id": 61, "name": "hole_5", "op": {"type": "Translate", "child": 60, "offset": {"x": -14.142135623730951, "y": -14.142135623730951, "z": 0}}},

    "70": {"id": 70, "name": "hole_cyl_6", "op": {"type": "Cylinder", "radius": 2.5, "height": 10, "segments": 32}},
    "71": {"id": 71, "name": "hole_6", "op": {"type": "Translate", "child": 70, "offset": {"x": 0, "y": -20, "z": 0}}},

    "80": {"id": 80, "name": "hole_cyl_7", "op": {"type": "Cylinder", "radius": 2.5, "height": 10, "segments": 32}},
    "81": {"id": 81, "name": "hole_7", "op": {"type": "Translate", "child": 80, "offset": {"x": 14.142135623730951, "y": -14.142135623730951, "z": 0}}},

    "100": {"id": 100, "name": "diff_01", "op": {"type": "Difference", "left": 2, "right": 11}},
    "101": {"id": 101, "name": "diff_02", "op": {"type": "Difference", "left": 100, "right": 21}},
    "102": {"id": 102, "name": "diff_03", "op": {"type": "Difference", "left": 101, "right": 31}},
    "103": {"id": 103, "name": "diff_04", "op": {"type": "Difference", "left": 102, "right": 41}},
    "104": {"id": 104, "name": "diff_05", "op": {"type": "Difference", "left": 103, "right": 51}},
    "105": {"id": 105, "name": "diff_06", "op": {"type": "Difference", "left": 104, "right": 61}},
    "106": {"id": 106, "name": "diff_07", "op": {"type": "Difference", "left": 105, "right": 71}},
    "107": {"id": 107, "name": "diff_08", "op": {"type": "Difference", "left": 106, "right": 81}}
  },
  "materials": {},
  "part_materials": {},
  "roots": [{"root": 107, "material": "default"}]
}
mecheval · an evaluation suite by Municipal Robotics
sibling project: vcad. · github

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