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← mecheval. / run / a1-plate-01 / claude-direct-claude-opus-4-7 / 20260428T141632Z-d7d2

run 20260428T141632Z-d7d2

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

Summary

status	fail
score	0.83 (5/6)
submission	self-run
model	claude-direct-claude-opus-4-7 (anthropic)
started	2026-04-28T14:16:32.362Z
ended	2026-04-28T14:16:39.319Z
tokens	827 in · 686 out · 1,513 total
wallclock	6.8s
tool calls	1
task hash	`da973cc23a8773df…`
vcad hash	`a1d4e3a05348372a…`

Prompt

Make a 50mm × 30mm × 10mm rectangular plate centered on the origin. 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": 1,
  "solids_produced": 1
}

bbox

fail

Z off by -5.00mm

params + details

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

details: {
  "actual_max": [
    25,
    15,
    5
  ],
  "actual_min": [
    -25,
    -15,
    -5
  ],
  "deviation_max": [
    0,
    0,
    -5
  ],
  "deviation_min": [
    0,
    0,
    -5
  ],
  "max_abs_deviation_mm": 5,
  "tolerance_mm": 0.1
}

mass_props

pass

params + details

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

details: {
  "volume": {
    "actual_mm3": 14719.070019769593,
    "deviation_pct": 0.012026796828181804,
    "pass": true,
    "spec_mm3": 14717.3,
    "tolerance_pct": 0.5
  }
}

hole_count

pass

params + details

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

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

hole_positions

pass

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
      ]
    },
    {
      "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
      ]
    }
  ],
  "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,
          5
        ],
        "original_min": [
          -25,
          -15,
          -5
        ],
        "pass": true,
        "roundtripped_max": [
          25,
          15,
          5
        ],
        "roundtripped_min": [
          -25,
          -15,
          -5
        ],
        "tolerance_mm": 0.05916079783099616
      },
      "index": 0,
      "pass": true,
      "volume": {
        "deviation_pct": 0,
        "original_mm3": 14719.070019769593,
        "pass": true,
        "roundtripped_mm3": 14719.070019769593
      }
    }
  ],
  "tolerance_pct": 0.1
}

Tool calls

anthropic.messages.create

6849ms

args

{
  "model": "claude-opus-4-7",
  "max_tokens": 8000,
  "system_chars": 1632,
  "user_chars": 247
}

What the model built

isometric render via vcad-render · the model's actual .vcad output, faceted at 28 segments per cylinder · download 20260428T141632Z-d7d2.vcad

.vcad source

{
  "version": "0.1",
  "nodes": {
    "1": {"id": 1, "name": "plate_raw", "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": -5}}},
    "3": {"id": 3, "name": "hole_raw", "op": {"type": "Cylinder", "radius": 1.5, "height": 12, "segments": 32}},
    "4": {"id": 4, "name": "hole1", "op": {"type": "Translate", "child": 3, "offset": {"x": -20, "y": -10, "z": -6}}},
    "5": {"id": 5, "name": "hole2", "op": {"type": "Translate", "child": 3, "offset": {"x": 20, "y": -10, "z": -6}}},
    "6": {"id": 6, "name": "hole3", "op": {"type": "Translate", "child": 3, "offset": {"x": -20, "y": 10, "z": -6}}},
    "7": {"id": 7, "name": "hole4", "op": {"type": "Translate", "child": 3, "offset": {"x": 20, "y": 10, "z": -6}}},
    "8": {"id": 8, "name": "holes12", "op": {"type": "Union", "left": 4, "right": 5}},
    "9": {"id": 9, "name": "holes34", "op": {"type": "Union", "left": 6, "right": 7}},
    "10": {"id": 10, "name": "all_holes", "op": {"type": "Union", "left": 8, "right": 9}},
    "11": {"id": 11, "name": "plate_drilled", "op": {"type": "Difference", "left": 2, "right": 10}}
  },
  "materials": {},
  "part_materials": {},
  "roots": [{"root": 11, "material": "default"}]
}

drawing mecheval.	sheet RUN · 20260428T141632Z-d7d2	scale 5/6
date 2026-04-29	drawn by muni	project mecheval

generated 2026-04-29T00:03:43.105Z · static site, regenerate with npm run build -w @mecheval/leaderboard