← mecheval / run / a5-lightened-disc-01 / claude-mcp-claude-opus-4-7 / 20260611T224651Z-ece2

run 20260611T224651Z-ece2

a5-lightened-disc-01 · claude-mcp-claude-opus-4-7

Summary

statusfail
score0.63 (5/8)
submissionself-run
modelclaude-mcp-claude-opus-4-7 (anthropic)
started2026-06-11T22:46:51.701Z
ended2026-06-11T22:48:50.870Z
tokens631,057 in · 5,939 out · 636,996 total
wallclock119.1s
tool calls37
task hash06516ef0f89da8d5…
vcad hash9229172734a451e9…

Prompt

Make a lightened disc as a single solid. The outer disc is a cylinder of diameter 120mm and height 15mm, base on the XY plane (z = 0 to z = 15), centered on the Z axis. Subtract a central through-bore of diameter 22mm along the Z axis. Subtract six through-holes of diameter 16mm, axes parallel to Z, arranged on a bolt circle of diameter 76mm (radius 38mm) centered on the Z axis, evenly spaced every 60 degrees with the first hole on the +X axis: positions (38, 0), (19, 32.909), (-19, 32.909), (-38, 0), (-19, -32.909), (19, -32.909). All holes pass through the full disc height (z = 0 to z = 15). Output a single solid.

Checks

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

details: {
  "root_count": 2,
  "solids_produced": 2
}
1
bbox
pass
params + details 
params: {
  "type": "bbox",
  "min": [
    -60,
    -60,
    0
  ],
  "max": [
    60,
    60,
    15
  ],
  "tolerance_mm": 0.2
}

details: {
  "actual_max": [
    60,
    60,
    15
  ],
  "actual_min": [
    -60,
    -60,
    0
  ],
  "deviation_max": [
    0,
    0,
    0
  ],
  "deviation_min": [
    0,
    0,
    0
  ],
  "max_abs_deviation_mm": 0,
  "tolerance_mm": 0.2
}
2
mass_props
fail
volume off by 12.2%
params + details 
params: {
  "type": "mass_props",
  "volume_mm3": 145848.66,
  "center_of_mass": [
    0,
    0,
    7.5
  ],
  "tolerance_pct": 1.5
}

details: {
  "center_of_mass": {
    "actual": [
      -0.6991133590276456,
      -1.289978154629684e-16,
      7.500000000000017
    ],
    "bbox_diagonal_mm": 170.36725037400822,
    "deviation": [
      -0.6991133590276456,
      -1.289978154629684e-16,
      1.687538997430238e-14
    ],
    "max_abs_deviation_mm": 0.6991133590276456,
    "pass": true,
    "spec": [
      0,
      0,
      7.5
    ],
    "tolerance_mm": 2.555508755610123
  },
  "volume": {
    "actual_mm3": 163666.2844207565,
    "deviation_pct": 12.216515681910622,
    "pass": false,
    "spec_mm3": 145848.66,
    "tolerance_pct": 1.5
  }
}
3
hole_count
pass
params + details 
params: {
  "type": "hole_count",
  "diameter_mm": 22,
  "expected": 1,
  "diameter_tolerance_mm": 0.1
}

details: {
  "actual": 1,
  "diameter_mm": 22,
  "diameter_tolerance_mm": 0.1,
  "expected": 1,
  "found": [
    [
      0,
      0,
      22
    ]
  ]
}
4
hole_positions
pass
params + details 
params: {
  "type": "hole_positions",
  "diameter_mm": 22,
  "positions": [
    [
      0,
      0,
      0
    ]
  ],
  "tolerance_mm": 0.2
}

details: {
  "diameter_mm": 22,
  "per_expected": [
    {
      "distance_mm": 0,
      "matched_hole": [
        0,
        0
      ],
      "pass": true,
      "spec_xy": [
        0,
        0
      ]
    }
  ],
  "tolerance_mm": 0.2,
  "unmatched_extras": []
}
5
hole_count
fail
found 1/6 holes of ⌀16mm
params + details 
params: {
  "type": "hole_count",
  "diameter_mm": 16,
  "expected": 6,
  "diameter_tolerance_mm": 0.05
}

details: {
  "actual": 1,
  "diameter_mm": 16,
  "diameter_tolerance_mm": 0.05,
  "expected": 6,
  "found": [
    [
      38,
      0,
      16
    ]
  ]
}
6
hole_positions
fail
5/6 mispositioned
params + details 
params: {
  "type": "hole_positions",
  "diameter_mm": 16,
  "positions": [
    [
      38,
      0,
      0
    ],
    [
      19,
      32.909,
      0
    ],
    [
      -19,
      32.909,
      0
    ],
    [
      -38,
      0,
      0
    ],
    [
      -19,
      -32.909,
      0
    ],
    [
      19,
      -32.909,
      0
    ]
  ],
  "tolerance_mm": 0.3
}

details: {
  "diameter_mm": 16,
  "per_expected": [
    {
      "distance_mm": 0,
      "matched_hole": [
        38,
        0
      ],
      "pass": true,
      "spec_xy": [
        38,
        0
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        19,
        32.909
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        -19,
        32.909
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        -38,
        0
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        -19,
        -32.909
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        19,
        -32.909
      ]
    }
  ],
  "tolerance_mm": 0.3,
  "unmatched_extras": []
}
7
step_roundtrip
pass
params + details 
params: {
  "type": "step_roundtrip",
  "tolerance_pct": 1.5
}

details: {
  "per_solid": [
    {
      "bbox": {
        "max_abs_deviation_mm": 0,
        "original_max": [
          60,
          60,
          15
        ],
        "original_min": [
          -60,
          -60,
          0
        ],
        "pass": true,
        "roundtripped_max": [
          60,
          60,
          15
        ],
        "roundtripped_min": [
          -60,
          -60,
          0
        ],
        "tolerance_mm": 2.555508755610123
      },
      "index": 0,
      "pass": true,
      "volume": {
        "deviation_pct": 0.490221072035785,
        "original_mm3": 160669.6971845963,
        "pass": true,
        "roundtripped_mm3": 159882.06047262132
      }
    },
    {
      "bbox": {
        "max_abs_deviation_mm": 0,
        "original_max": [
          8,
          8,
          15
        ],
        "original_min": [
          -8,
          -8,
          0
        ],
        "pass": true,
        "roundtripped_max": [
          8,
          8,
          15
        ],
        "roundtripped_min": [
          -8,
          -8,
          0
        ],
        "tolerance_mm": 0.4072161588149468
      },
      "index": 1,
      "pass": true,
      "volume": {
        "deviation_pct": 0,
        "original_mm3": 2996.5872361601905,
        "pass": true,
        "roundtripped_mm3": 2996.5872361601905
      }
    }
  ],
  "tolerance_pct": 1.5
}

Tool calls

0
open_document
ok
1ms
args
{}
1
create_cad_loon
err
8ms
args
{
  "source": "[let\n  [translate 0 0 0\n    [difference\n      [translate 19 -32.909 0 [cylinder 8 15]]\n      [difference\n        [translate -19 -32.909 0 [cylinder 8 15]]\n        [difference\n          [translate -38 0 0 [cylinder 8 15]]\n          [difference\n            [translate -19 32.909 0 [cylinder 8 15]]\n            [difference\n              [translate 19 32.909 0 [cylinder 8 15]]\n              [difference\n                [translate 38 0 0 [cylinder 8 15]]\n                [difference\n                  [cylinder 11 15]\n                  [translate 0 0 0 [cylinder 60 15]]]]]]]]]]]\n"
}
2
create
err
9ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "cylinder",
  "name": "Outer Disc",
  "params": {
    "radius": 60,
    "height": 15,
    "center": [
      0,
      0,
      0
    ]
  }
}
3
create_cad_loon
ok
6ms
args
{
  "source": "[difference\n  [translate 19 -32.909 0 [cylinder 8 15]]\n  [difference\n    [translate -19 -32.909 0 [cylinder 8 15]]\n    [difference\n      [translate -38 0 0 [cylinder 8 15]]\n      [difference\n        [translate -19 32.909 0 [cylinder 8 15]]\n        [difference\n          [translate 19 32.909 0 [cylinder 8 15]]\n          [difference\n            [translate 38 0 0 [cylinder 8 15]]\n            [difference\n              [cylinder 11 15]\n              [cylinder 60 15]]]]]]]]\n",
  "format": "json"
}
4
create
ok
4ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "cylinder",
  "name": "Outer Disc",
  "params": {
    "radius": 60,
    "height": 15,
    "segments": 64
  }
}
5
create
ok
5ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "cylinder",
  "name": "Center Bore",
  "parent_part_id": "1",
  "params": {
    "radius": 11,
    "height": 15,
    "segments": 48
  }
}
6
read
ok
5ms
args
{
  "document_id": "doc_1781218011870_1"
}
7
read
ok
3ms
args
{
  "document_id": "doc_1781218011870_1",
  "part_id": "1"
}
8
delete
ok
4ms
args
{
  "document_id": "doc_1781218011870_1",
  "part_id": "1"
}
9
delete
ok
2ms
args
{
  "document_id": "doc_1781218011870_1",
  "part_id": "2"
}
10
create
ok
6ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "cylinder",
  "name": "Disc",
  "params": {
    "radius": 60,
    "height": 15,
    "segments": 64
  }
}
11
create
ok
3ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "cylinder",
  "name": "Center Bore",
  "parent_part_id": "1",
  "params": {
    "radius": 11,
    "height": 15,
    "segments": 48,
    "operation": "difference"
  }
}
12
read
ok
4ms
args
{
  "document_id": "doc_1781218011870_1"
}
13
delete
ok
4ms
args
{
  "document_id": "doc_1781218011870_1",
  "part_id": "2"
}
14
create
err
3ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "difference",
  "name": "Bore Cut",
  "parent_part_id": "1",
  "params": {
    "tool": {
      "type": "cylinder",
      "params": {
        "radius": 11,
        "height": 15,
        "segments": 48
      }
    }
  }
}
15
get_document
ok
2ms
args
{
  "document_id": "doc_1781218011870_1"
}
16
create
ok
5ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "cylinder",
  "parent_part_id": "1",
  "name": "bore",
  "params": {
    "radius": 11,
    "height": 15,
    "segments": 48,
    "op": "difference"
  }
}
17
get_document
ok
4ms
args
{
  "document_id": "doc_1781218011870_1"
}
18
delete
ok
3ms
args
{
  "document_id": "doc_1781218011870_1",
  "part_id": "2"
}
19
create
err
3ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "difference",
  "name": "CutBore",
  "params": {
    "left": 1,
    "right": {
      "type": "cylinder",
      "radius": 11,
      "height": 15,
      "segments": 48
    }
  }
}
20
create_cad_loon
ok
3ms
args
{
  "source": "[difference\n  [translate 19 -32.909 0 [cylinder 8 15]]\n  [difference\n    [translate -19 -32.909 0 [cylinder 8 15]]\n    [difference\n      [translate -38 0 0 [cylinder 8 15]]\n      [difference\n        [translate -19 32.909 0 [cylinder 8 15]]\n        [difference\n          [translate 19 32.909 0 [cylinder 8 15]]\n          [difference\n            [translate 38 0 0 [cylinder 8 15]]\n            [difference\n              [cylinder 11 15]\n              [cylinder 60 15]]]]]]]]\n",
  "format": "json"
}
21
delete
ok
2ms
args
{
  "document_id": "doc_1781218011870_1",
  "part_id": "1"
}
22
create
ok
3ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "cylinder",
  "params": {
    "radius": 60,
    "height": 15,
    "segments": 64
  }
}
23
create
ok
2ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "cylinder",
  "params": {
    "radius": 11,
    "height": 15,
    "segments": 48
  }
}
24
create
ok
3ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "difference",
  "params": {
    "left": 1,
    "right": 2
  }
}
25
get_document
ok
2ms
args
{
  "document_id": "doc_1781218011870_1"
}
26
delete
ok
3ms
args
{
  "document_id": "doc_1781218011870_1",
  "part_id": "1"
}
27
delete
ok
1ms
args
{
  "document_id": "doc_1781218011870_1",
  "part_id": "2"
}
28
get_document
ok
2ms
args
{
  "document_id": "doc_1781218011870_1"
}
29
create
ok
3ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "cylinder",
  "params": {
    "radius": 8,
    "height": 15,
    "segments": 32
  }
}
30
create
ok
3ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "translate",
  "params": {
    "child": 4,
    "offset": {
      "x": 38,
      "y": 0,
      "z": 0
    }
  }
}
31
create
ok
3ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "difference",
  "params": {
    "left": 3,
    "right": 5
  }
}
32
delete
ok
2ms
args
{
  "document_id": "doc_1781218011870_1",
  "part_id": "3"
}
33
delete
ok
1ms
args
{
  "document_id": "doc_1781218011870_1",
  "part_id": "4"
}
34
delete
ok
1ms
args
{
  "document_id": "doc_1781218011870_1",
  "part_id": "5"
}
35
create
ok
3ms
args
{
  "document_id": "doc_1781218011870_1",
  "type": "cylinder",
  "params": {
    "radius": 8,
    "height": 15,
    "segments": 32
  }
}
36
get_document
ok
1ms
args
{
  "document_id": "doc_1781218011870_1"
}

What the model built

isometric render via vcad-render · the model's actual .vcad output, faceted at 28 segments per cylinder · download 20260611T224651Z-ece2.vcad

.vcad source

{
  "version": "0.1",
  "nodes": {
    "1": {
      "id": 1,
      "name": null,
      "op": {
        "type": "Cylinder",
        "radius": 60,
        "height": 15,
        "segments": 64
      }
    },
    "2": {
      "id": 2,
      "name": null,
      "op": {
        "type": "Cylinder",
        "radius": 11,
        "height": 15,
        "segments": 48
      }
    },
    "3": {
      "id": 3,
      "name": null,
      "op": {
        "type": "Difference",
        "left": 1,
        "right": 2
      }
    },
    "4": {
      "id": 4,
      "name": null,
      "op": {
        "type": "Cylinder",
        "radius": 8,
        "height": 15,
        "segments": 32
      }
    },
    "5": {
      "id": 5,
      "name": null,
      "op": {
        "type": "Translate",
        "child": 4,
        "offset": {
          "x": 38,
          "y": 0,
          "z": 0
        }
      }
    },
    "6": {
      "id": 6,
      "name": null,
      "op": {
        "type": "Difference",
        "left": 3,
        "right": 5
      }
    },
    "7": {
      "id": 7,
      "name": null,
      "op": {
        "type": "Cylinder",
        "radius": 8,
        "height": 15,
        "segments": 32
      }
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [
    {
      "root": 6,
      "material": "default"
    },
    {
      "root": 7,
      "material": "default"
    }
  ]
}
mecheval · an evaluation suite by Municipal Robotics
sibling project: vcad. · github

generated 2026-06-19T01:47:56.222Z · static site, regenerate with npm run build -w @mecheval/leaderboard