← mecheval / run / a1-plate-01 / claude-mcp-claude-opus-4-7 / 20260611T171832Z-c295

run 20260611T171832Z-c295

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

Summary

status	fail
score	0.33 (2/6)
submission	self-run
model	claude-mcp-claude-opus-4-7 (anthropic)
started	2026-06-11T17:18:32.352Z
ended	2026-06-11T17:20:01.869Z
tokens	554,265 in · 4,482 out · 558,747 total
wallclock	89.5s
tool calls	32
task hash	`fedd0fa098bf5361…`
vcad hash	`928c004b26b3d0a0…`

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

valid_solid

pass

params + details

params: {
  "type": "valid_solid"
}

details: {
  "root_count": 2,
  "solids_produced": 2
}

bbox

fail

Z off by +2.00mm

params + details

params: {
  "type": "bbox",
  "min": [
    -25,
    -15,
    0
  ],
  "max": [
    25,
    15,
    10
  ],
  "tolerance_mm": 0.1
}

details: {
  "actual_max": [
    25,
    15,
    12
  ],
  "actual_min": [
    -25,
    -15,
    0
  ],
  "deviation_max": [
    0,
    0,
    2
  ],
  "deviation_min": [
    0,
    0,
    0
  ],
  "max_abs_deviation_mm": 2,
  "tolerance_mm": 0.1
}

mass_props

fail

volume off by 1.5%

params + details

params: {
  "type": "mass_props",
  "volume_mm3": 14717.3,
  "tolerance_pct": 0.5
}

details: {
  "volume": {
    "actual_mm3": 14943.814029273772,
    "deviation_pct": 1.5391004414788882,
    "pass": false,
    "spec_mm3": 14717.3,
    "tolerance_pct": 0.5
  }
}

hole_count

fail

found 2/4 holes of ⌀3mm

params + details

params: {
  "type": "hole_count",
  "diameter_mm": 3,
  "expected": 4,
  "diameter_tolerance_mm": 0.05
}

details: {
  "actual": 2,
  "diameter_mm": 3,
  "diameter_tolerance_mm": 0.05,
  "expected": 4,
  "found": [
    [
      20,
      10,
      3
    ],
    [
      -20,
      10,
      3
    ]
  ]
}

hole_positions

fail

2/4 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": [
    {
      "distance_mm": 0,
      "matched_hole": [
        20,
        10
      ],
      "pass": true,
      "spec_xy": [
        20,
        10
      ]
    },
    {
      "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
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        20,
        -10
      ]
    }
  ],
  "tolerance_mm": 0.1,
  "unmatched_extras": []
}

step_roundtrip

pass

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": 14859.535009884805,
        "pass": true,
        "roundtripped_mm3": 14859.535009884805
      }
    },
    {
      "bbox": {
        "max_abs_deviation_mm": 0,
        "original_max": [
          1.5,
          1.5,
          12
        ],
        "original_min": [
          -1.5,
          -1.5,
          0
        ],
        "pass": true,
        "roundtripped_max": [
          1.5,
          1.5,
          12
        ],
        "roundtripped_min": [
          -1.5,
          -1.5,
          0
        ],
        "tolerance_mm": 0.012727922061357855
      },
      "index": 1,
      "pass": true,
      "volume": {
        "deviation_pct": 0,
        "original_mm3": 84.27901938896767,
        "pass": true,
        "roundtripped_mm3": 84.27901938896767
      }
    }
  ],
  "tolerance_pct": 0.1
}

Tool calls

open_document

2ms

args

{}

create

err

6ms

args

{
  "document_id": "doc_1781198312568_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": {
                "radius": 1.5,
                "height": 12
              }
            }
          ]
        }
      },
      {
        "type": "translate",
        "params": {
          "x": -20,
          "y": 10,
          "z": -1,
          "children": [
            {
              "type": "cylinder",
              "params": {
                "radius": 1.5,
                "height": 12
              }
            }
          ]
        }
      },
      {
        "type": "translate",
        "params": {
          "x": 20,
          "y": -10,
          "z": -1,
          "children": [
            {
              "type": "cylinder",
              "params": {
                "radius": 1.5,
                "height": 12
              }
            }
          ]
        }
      },
      {
        "type": "translate",
        "params": {
          "x": -20,
          "y": -10,
          "z": -1,
          "children": [
            {
              "type": "cylinder",
              "params": {
                "radius": 1.5,
                "height": 12
              }
            }
          ]
        }
      }
    ]
  }
}

read

2ms

args

{
  "document_id": "doc_1781198312568_1"
}

create

err

2ms

args

{
  "document_id": "doc_1781198312568_1",
  "type": "cube",
  "name": "Plate",
  "params": {
    "size_x": 50,
    "size_y": 30,
    "size_z": 10,
    "center_x": true,
    "center_y": true,
    "center_z": false
  }
}

create

2ms

args

{
  "document_id": "doc_1781198312568_1",
  "type": "cube",
  "name": "Plate",
  "params": {
    "size": [
      50,
      30,
      10
    ]
  }
}

read

2ms

args

{
  "document_id": "doc_1781198312568_1",
  "part_id": "1"
}

delete

2ms

args

{
  "document_id": "doc_1781198312568_1",
  "part_id": "1"
}

create

err

3ms

args

{
  "document_id": "doc_1781198312568_1",
  "type": "translate",
  "name": "Plate",
  "params": {
    "offset": [
      -25,
      -15,
      0
    ],
    "child": {
      "type": "cube",
      "params": {
        "size": [
          50,
          30,
          10
        ]
      }
    }
  }
}

create_cad_loon

10ms

args

{
  "source": "[let\n  plate [translate -25 -15 0 [cube 50 30 10]]\n  hole [cylinder 1.5 12]\n  h1 [translate 20 10 -1 hole]\n  h2 [translate -20 10 -1 hole]\n  h3 [translate 20 -10 -1 hole]\n  h4 [translate -20 -10 -1 hole]\n  [difference h1 [difference h2 [difference h3 [difference h4 plate]]]]]",
  "format": "json"
}

create

1ms

args

{
  "document_id": "doc_1781198312568_1",
  "type": "cube",
  "params": {
    "size": {
      "x": 50,
      "y": 30,
      "z": 10
    }
  }
}

create

4ms

args

{
  "document_id": "doc_1781198312568_1",
  "type": "translate",
  "name": "Plate",
  "parent_part_id": "1",
  "params": {
    "offset": {
      "x": -25,
      "y": -15,
      "z": 0
    },
    "child": 1
  }
}

read

2ms

args

{
  "document_id": "doc_1781198312568_1"
}

read

1ms

args

{
  "document_id": "doc_1781198312568_1",
  "part_id": "2"
}

delete

2ms

args

{
  "document_id": "doc_1781198312568_1",
  "part_id": "1"
}

read

1ms

args

{
  "document_id": "doc_1781198312568_1",
  "part_id": "2"
}

create

err

1ms

args

{
  "document_id": "doc_1781198312568_1",
  "type": "cylinder",
  "params": {
    "radius": 1.5,
    "height": 12
  }
}

create

3ms

args

{
  "document_id": "doc_1781198312568_1",
  "type": "cylinder",
  "params": {
    "radius": 1.5,
    "height": 12,
    "segments": 32
  }
}

create

3ms

args

{
  "document_id": "doc_1781198312568_1",
  "type": "translate",
  "parent_part_id": "3",
  "params": {
    "offset": {
      "x": 20,
      "y": 10,
      "z": -1
    },
    "child": 3
  }
}

delete

1ms

args

{
  "document_id": "doc_1781198312568_1",
  "part_id": "3"
}

create

1ms

args

{
  "document_id": "doc_1781198312568_1",
  "type": "difference",
  "parent_part_id": "2",
  "params": {
    "left": 2,
    "right": 4
  }
}

read

1ms

args

{
  "document_id": "doc_1781198312568_1"
}

delete

1ms

args

{
  "document_id": "doc_1781198312568_1",
  "part_id": "2"
}

delete

3ms

args

{
  "document_id": "doc_1781198312568_1",
  "part_id": "4"
}

read

2ms

args

{
  "document_id": "doc_1781198312568_1",
  "part_id": "5"
}

create

2ms

args

{
  "document_id": "doc_1781198312568_1",
  "type": "cylinder",
  "params": {
    "radius": 1.5,
    "height": 12,
    "segments": 32
  }
}

create

1ms

args

{
  "document_id": "doc_1781198312568_1",
  "type": "translate",
  "parent_part_id": "6",
  "params": {
    "offset": {
      "x": -20,
      "y": 10,
      "z": -1
    },
    "child": 6
  }
}

delete

1ms

args

{
  "document_id": "doc_1781198312568_1",
  "part_id": "6"
}

create

1ms

args

{
  "document_id": "doc_1781198312568_1",
  "type": "difference",
  "parent_part_id": "5",
  "params": {
    "left": 5,
    "right": 7
  }
}

delete

2ms

args

{
  "document_id": "doc_1781198312568_1",
  "part_id": "5"
}

delete

3ms

args

{
  "document_id": "doc_1781198312568_1",
  "part_id": "7"
}

create

1ms

args

{
  "document_id": "doc_1781198312568_1",
  "type": "cylinder",
  "params": {
    "radius": 1.5,
    "height": 12,
    "segments": 32
  }
}

get_document

0ms

args

{
  "document_id": "doc_1781198312568_1"
}

What the model built

isometric render via vcad-render · the model's actual .vcad output, faceted at 28 segments per cylinder · download 20260611T171832Z-c295.vcad

.vcad source

{
  "version": "0.1",
  "nodes": {
    "1": {
      "id": 1,
      "name": null,
      "op": {
        "type": "Cube",
        "size": {
          "x": 50,
          "y": 30,
          "z": 10
        }
      }
    },
    "2": {
      "id": 2,
      "name": "Plate",
      "op": {
        "type": "Translate",
        "child": 1,
        "offset": {
          "x": -25,
          "y": -15,
          "z": 0
        }
      }
    },
    "3": {
      "id": 3,
      "name": null,
      "op": {
        "type": "Cylinder",
        "radius": 1.5,
        "height": 12,
        "segments": 32
      }
    },
    "4": {
      "id": 4,
      "name": null,
      "op": {
        "type": "Translate",
        "child": 3,
        "offset": {
          "x": 20,
          "y": 10,
          "z": -1
        }
      }
    },
    "5": {
      "id": 5,
      "name": null,
      "op": {
        "type": "Difference",
        "left": 2,
        "right": 4
      }
    },
    "6": {
      "id": 6,
      "name": null,
      "op": {
        "type": "Cylinder",
        "radius": 1.5,
        "height": 12,
        "segments": 32
      }
    },
    "7": {
      "id": 7,
      "name": null,
      "op": {
        "type": "Translate",
        "child": 6,
        "offset": {
          "x": -20,
          "y": 10,
          "z": -1
        }
      }
    },
    "8": {
      "id": 8,
      "name": null,
      "op": {
        "type": "Difference",
        "left": 5,
        "right": 7
      }
    },
    "9": {
      "id": 9,
      "name": null,
      "op": {
        "type": "Cylinder",
        "radius": 1.5,
        "height": 12,
        "segments": 32
      }
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [
    {
      "root": 8,
      "material": "default"
    },
    {
      "root": 9,
      "material": "default"
    }
  ]
}

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