← mecheval / run / a1-plate-01 / claude-mcp-claude-opus-4-7 / 20260611T172001Z-f98c

run 20260611T172001Z-f98c

a1-plate-01 · claude-mcp-claude-opus-4-7

Summary

statusfail
score0.17 (1/6)
submissionself-run
modelclaude-mcp-claude-opus-4-7 (anthropic)
started2026-06-11T17:20:01.900Z
ended2026-06-11T17:21:47.800Z
tokens588,734 in · 5,472 out · 594,206 total
wallclock105.9s
tool calls34
task hashfedd0fa098bf5361…
vcad hashfdcb3cb00d1c443b…

Prompt

Make a 50mm × 30mm × 10mm rectangular plate. Center it in X and Y, with the bottom face on the XY plane (z = 0 to z = 10). Drill four cylindrical through-holes of diameter 3mm, axes parallel to Z, positioned 5mm in from each corner of the top face.

Checks

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

details: {
  "root_count": 3,
  "solids_produced": 3
}
1
bbox
fail
Z off by +1.00mm
params + details 
params: {
  "type": "bbox",
  "min": [
    -25,
    -15,
    0
  ],
  "max": [
    25,
    15,
    10
  ],
  "tolerance_mm": 0.1
}

details: {
  "actual_max": [
    25,
    15,
    11
  ],
  "actual_min": [
    -25,
    -15,
    -1
  ],
  "deviation_max": [
    0,
    0,
    1
  ],
  "deviation_min": [
    0,
    0,
    -1
  ],
  "max_abs_deviation_mm": 1,
  "tolerance_mm": 0.1
}
2
mass_props
fail
volume off by 103.9%
params + details 
params: {
  "type": "mass_props",
  "volume_mm3": 14717.3,
  "tolerance_pct": 0.5
}

details: {
  "volume": {
    "actual_mm3": 30014.114464586855,
    "deviation_pct": 103.93764117458268,
    "pass": false,
    "spec_mm3": 14717.3,
    "tolerance_pct": 0.5
  }
}
3
hole_count
fail
found 1/4 holes of ⌀3mm
params + details 
params: {
  "type": "hole_count",
  "diameter_mm": 3,
  "expected": 4,
  "diameter_tolerance_mm": 0.05
}

details: {
  "actual": 1,
  "diameter_mm": 3,
  "diameter_tolerance_mm": 0.05,
  "expected": 4,
  "found": [
    [
      -20,
      -10,
      3
    ]
  ]
}
4
hole_positions
fail
3/4 mispositioned
params + details 
params: {
  "type": "hole_positions",
  "diameter_mm": 3,
  "positions": [
    [
      20,
      10,
      0
    ],
    [
      -20,
      10,
      0
    ],
    [
      -20,
      -10,
      0
    ],
    [
      20,
      -10,
      0
    ]
  ],
  "tolerance_mm": 0.1
}

details: {
  "diameter_mm": 3,
  "per_expected": [
    {
      "nearest_distance_mm": 44.721359549995796,
      "pass": false,
      "spec_xy": [
        20,
        10
      ],
      "tolerance_mm": 0.1
    },
    {
      "nearest_distance_mm": 20,
      "pass": false,
      "spec_xy": [
        -20,
        10
      ],
      "tolerance_mm": 0.1
    },
    {
      "distance_mm": 0,
      "matched_hole": [
        -20,
        -10
      ],
      "pass": true,
      "spec_xy": [
        -20,
        -10
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        20,
        -10
      ]
    }
  ],
  "tolerance_mm": 0.1,
  "unmatched_extras": []
}
5
step_roundtrip
fail
STEP drift on 1/3 solids
params + details 
params: {
  "type": "step_roundtrip",
  "tolerance_pct": 0.1
}

details: {
  "per_solid": [
    {
      "bbox": {
        "max_abs_deviation_mm": 0,
        "original_max": [
          25,
          15,
          10
        ],
        "original_min": [
          -25,
          -15,
          0
        ],
        "pass": true,
        "roundtripped_max": [
          25,
          15,
          10
        ],
        "roundtripped_min": [
          -25,
          -15,
          0
        ],
        "tolerance_mm": 0.05916079783099616
      },
      "index": 0,
      "pass": true,
      "volume": {
        "deviation_pct": 0,
        "original_mm3": 15000,
        "pass": true,
        "roundtripped_mm3": 15000
      }
    },
    {
      "bbox": {
        "max_abs_deviation_mm": 0,
        "original_max": [
          -18.5,
          -8.5,
          11
        ],
        "original_min": [
          -21.5,
          -11.5,
          -1
        ],
        "pass": true,
        "roundtripped_max": [
          -18.5,
          -8.5,
          11
        ],
        "roundtripped_min": [
          -21.5,
          -11.5,
          -1
        ],
        "tolerance_mm": 0.012727922061357855
      },
      "index": 1,
      "pass": false,
      "volume": {
        "deviation_pct": 0.4815313744869638,
        "original_mm3": 84.68678752108826,
        "pass": false,
        "roundtripped_mm3": 84.27899406912911
      }
    },
    {
      "bbox": {
        "max_abs_deviation_mm": 0,
        "original_max": [
          25,
          15,
          10
        ],
        "original_min": [
          -25,
          -15,
          0
        ],
        "pass": true,
        "roundtripped_max": [
          25,
          15,
          10
        ],
        "roundtripped_min": [
          -25,
          -15,
          0
        ],
        "tolerance_mm": 0.05916079783099616
      },
      "index": 2,
      "pass": true,
      "volume": {
        "deviation_pct": 0.0015174856173412671,
        "original_mm3": 14929.427677065769,
        "pass": true,
        "roundtripped_mm3": 14929.65422898352
      }
    }
  ],
  "tolerance_pct": 0.1
}

Tool calls

0
open_document
ok
2ms
args
{}
1
create
err
6ms
args
{
  "document_id": "doc_1781198402092_1",
  "type": "difference",
  "name": "Plate with Holes",
  "params": {
    "children": [
      {
        "type": "translate",
        "params": {
          "x": -25,
          "y": -15,
          "z": 0,
          "children": [
            {
              "type": "cube",
              "params": {
                "x": 50,
                "y": 30,
                "z": 10
              }
            }
          ]
        }
      },
      {
        "type": "translate",
        "params": {
          "x": -20,
          "y": -10,
          "z": -1,
          "children": [
            {
              "type": "cylinder",
              "params": {
                "r": 1.5,
                "h": 12
              }
            }
          ]
        }
      },
      {
        "type": "translate",
        "params": {
          "x": 20,
          "y": -10,
          "z": -1,
          "children": [
            {
              "type": "cylinder",
              "params": {
                "r": 1.5,
                "h": 12
              }
            }
          ]
        }
      },
      {
        "type": "translate",
        "params": {
          "x": -20,
          "y": 10,
          "z": -1,
          "children": [
            {
              "type": "cylinder",
              "params": {
                "r": 1.5,
                "h": 12
              }
            }
          ]
        }
      },
      {
        "type": "translate",
        "params": {
          "x": 20,
          "y": 10,
          "z": -1,
          "children": [
            {
              "type": "cylinder",
              "params": {
                "r": 1.5,
                "h": 12
              }
            }
          ]
        }
      }
    ]
  }
}
2
read
ok
2ms
args
{
  "document_id": "doc_1781198402092_1"
}
3
create
err
3ms
args
{
  "document_id": "doc_1781198402092_1",
  "type": "cube",
  "name": "Plate Base",
  "params": {
    "x": 50,
    "y": 30,
    "z": 10
  }
}
4
create
ok
3ms
args
{
  "document_id": "doc_1781198402092_1",
  "type": "cube",
  "name": "Plate Base",
  "params": {
    "size": [
      50,
      30,
      10
    ]
  }
}
5
create
err
3ms
args
{
  "document_id": "doc_1781198402092_1",
  "type": "translate",
  "name": "Center Plate",
  "parent_part_id": "1",
  "params": {
    "offset": [
      -25,
      -15,
      0
    ]
  }
}
6
delete
ok
3ms
args
{
  "document_id": "doc_1781198402092_1",
  "part_id": "1"
}
7
create_cad_loon
ok
6ms
args
{
  "source": "[root\n  [pipe\n    [translate -25 -15 0 [cube 50 30 10]]\n    [difference [translate -20 -10 -1 [cylinder 1.5 12]]]\n    [difference [translate 20 -10 -1 [cylinder 1.5 12]]]\n    [difference [translate -20 10 -1 [cylinder 1.5 12]]]\n    [difference [translate 20 10 -1 [cylinder 1.5 12]]]\n  ]\n  \"steel\"]",
  "format": "json"
}
8
create
ok
1ms
args
{
  "document_id": "doc_1781198402092_1",
  "type": "cube",
  "name": "Plate",
  "params": {
    "size": {
      "x": 50,
      "y": 30,
      "z": 10
    }
  }
}
9
create
ok
2ms
args
{
  "document_id": "doc_1781198402092_1",
  "parent_part_id": "1",
  "type": "translate",
  "name": "Center",
  "params": {
    "child": 1,
    "offset": {
      "x": -25,
      "y": -15,
      "z": 0
    }
  }
}
10
create
err
1ms
args
{
  "document_id": "doc_1781198402092_1",
  "parent_part_id": "2",
  "type": "cylinder",
  "name": "Hole1 cyl",
  "params": {
    "radius": 1.5,
    "height": 12
  }
}
11
create
ok
3ms
args
{
  "document_id": "doc_1781198402092_1",
  "parent_part_id": "2",
  "type": "cylinder",
  "name": "Hole1 cyl",
  "params": {
    "radius": 1.5,
    "height": 12,
    "segments": 64
  }
}
12
read
ok
3ms
args
{
  "document_id": "doc_1781198402092_1",
  "part_id": "3"
}
13
read
ok
2ms
args
{
  "document_id": "doc_1781198402092_1"
}
14
delete
ok
2ms
args
{
  "document_id": "doc_1781198402092_1",
  "part_id": "1"
}
15
delete
ok
1ms
args
{
  "document_id": "doc_1781198402092_1",
  "part_id": "2"
}
16
delete
ok
1ms
args
{
  "document_id": "doc_1781198402092_1",
  "part_id": "3"
}
17
create
ok
1ms
args
{
  "document_id": "doc_1781198402092_1",
  "type": "cube",
  "name": "Plate",
  "params": {
    "size": {
      "x": 50,
      "y": 30,
      "z": 10
    }
  }
}
18
create
err
1ms
args
{
  "document_id": "doc_1781198402092_1",
  "parent_part_id": "1",
  "type": "translate",
  "name": "Center Plate",
  "params": {
    "offset": {
      "x": -25,
      "y": -15,
      "z": 0
    }
  }
}
19
create
ok
2ms
args
{
  "document_id": "doc_1781198402092_1",
  "parent_part_id": "1",
  "type": "translate",
  "name": "Center Plate",
  "params": {
    "child": 1,
    "offset": {
      "x": -25,
      "y": -15,
      "z": 0
    }
  }
}
20
read
ok
3ms
args
{
  "document_id": "doc_1781198402092_1"
}
21
read
ok
2ms
args
{
  "document_id": "doc_1781198402092_1",
  "part_id": "2"
}
22
delete
ok
1ms
args
{
  "document_id": "doc_1781198402092_1",
  "part_id": "1"
}
23
read
ok
2ms
args
{
  "document_id": "doc_1781198402092_1",
  "part_id": "2"
}
24
create
ok
1ms
args
{
  "document_id": "doc_1781198402092_1",
  "parent_part_id": "2",
  "type": "cylinder",
  "name": "Hole1",
  "params": {
    "radius": 1.5,
    "height": 12,
    "segments": 64
  }
}
25
read
ok
1ms
args
{
  "document_id": "doc_1781198402092_1"
}
26
create
ok
2ms
args
{
  "document_id": "doc_1781198402092_1",
  "parent_part_id": "3",
  "type": "translate",
  "name": "Hole1 pos",
  "params": {
    "child": 3,
    "offset": {
      "x": -20,
      "y": -10,
      "z": -1
    }
  }
}
27
read
ok
1ms
args
{
  "document_id": "doc_1781198402092_1"
}
28
read
ok
1ms
args
{
  "document_id": "doc_1781198402092_1",
  "part_id": "4"
}
29
delete
ok
1ms
args
{
  "document_id": "doc_1781198402092_1",
  "part_id": "3"
}
30
create
ok
1ms
args
{
  "document_id": "doc_1781198402092_1",
  "type": "difference",
  "name": "Plate minus Hole1",
  "params": {
    "left": 2,
    "right": 4
  }
}
31
read
ok
3ms
args
{
  "document_id": "doc_1781198402092_1"
}
32
read
ok
1ms
args
{
  "document_id": "doc_1781198402092_1",
  "part_id": "5"
}
33
get_document
ok
0ms
args
{
  "document_id": "doc_1781198402092_1"
}

What the model built

isometric render via vcad-render · the model's actual .vcad output, faceted at 28 segments per cylinder · download 20260611T172001Z-f98c.vcad

.vcad source

{
  "version": "0.1",
  "nodes": {
    "1": {
      "id": 1,
      "name": "Plate",
      "op": {
        "type": "Cube",
        "size": {
          "x": 50,
          "y": 30,
          "z": 10
        }
      }
    },
    "2": {
      "id": 2,
      "name": "Center Plate",
      "op": {
        "type": "Translate",
        "child": 1,
        "offset": {
          "x": -25,
          "y": -15,
          "z": 0
        }
      }
    },
    "3": {
      "id": 3,
      "name": "Hole1",
      "op": {
        "type": "Cylinder",
        "radius": 1.5,
        "height": 12,
        "segments": 64
      }
    },
    "4": {
      "id": 4,
      "name": "Hole1 pos",
      "op": {
        "type": "Translate",
        "child": 3,
        "offset": {
          "x": -20,
          "y": -10,
          "z": -1
        }
      }
    },
    "5": {
      "id": 5,
      "name": "Plate minus Hole1",
      "op": {
        "type": "Difference",
        "left": 2,
        "right": 4
      }
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [
    {
      "root": 2,
      "material": "default"
    },
    {
      "root": 4,
      "material": "default"
    },
    {
      "root": 5,
      "material": "default"
    }
  ]
}
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sibling project: vcad. · github

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