← mecheval / run / a2-l-bracket-01 / claude-direct-claude-haiku-4-5-20251001 / 20260428T211451Z-de15

run 20260428T211451Z-de15

a2-l-bracket-01 · claude-direct-claude-haiku-4-5-20251001

Summary

statusfail
score0.00 (0/6)
submissionself-run
modelclaude-direct-claude-haiku-4-5-20251001 (anthropic)
started2026-04-28T21:14:51.640Z
ended2026-04-28T21:14:55.300Z
tokens729 in · 713 out · 1,442 total
wallclock3.7s
tool calls1
task hashc8efa8964b7ad82a…
vcad hash9ef111716c27b64e…

Prompt

Make an L-shaped mounting bracket. The base lies in the XY plane, occupying x in [0, 50], y in [0, 30], z in [0, 4] (50mm long, 30mm wide, 4mm thick). A vertical wall stands on the +X edge: x in [46, 50], y in [0, 30], z in [4, 30] (4mm thick, 30mm wide, rising to z = 30). Two through-holes of diameter 5mm pierce the base parallel to Z, centered at (10, 15) and (35, 15) on the top face. Output a single solid.

Checks

0
valid_solid
fail
solid invalid
params + details
params: {
  "type": "valid_solid"
}

details: {
  "error": "parse: Invalid JSON vcad file: invalid value: expected key to be a number in quotes at line 4 column 5",
  "reason": "fatal evaluation error"
}
1
bbox
fail
? off by 0.00mm
params + details
params: {
  "type": "bbox",
  "min": [
    0,
    0,
    0
  ],
  "max": [
    50,
    30,
    30
  ],
  "tolerance_mm": 0.1
}

details: {
  "reason": "no valid solid to measure"
}
2
mass_props
fail
mass props off
params + details
params: {
  "type": "mass_props",
  "volume_mm3": 8962.92,
  "tolerance_pct": 0.5
}

details: {
  "reason": "no valid solid to measure"
}
3
hole_count
fail
found 0/2 holes of ⌀5mm
params + details
params: {
  "type": "hole_count",
  "diameter_mm": 5,
  "expected": 2,
  "diameter_tolerance_mm": 0.05
}

details: {
  "actual": 0,
  "diameter_mm": 5,
  "diameter_tolerance_mm": 0.05,
  "expected": 2,
  "found": []
}
4
hole_positions
fail
2/2 mispositioned
params + details
params: {
  "type": "hole_positions",
  "diameter_mm": 5,
  "positions": [
    [
      10,
      15,
      0
    ],
    [
      35,
      15,
      0
    ]
  ],
  "tolerance_mm": 0.1
}

details: {
  "diameter_mm": 5,
  "per_expected": [
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        10,
        15
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        35,
        15
      ]
    }
  ],
  "tolerance_mm": 0.1,
  "unmatched_extras": []
}
5
step_roundtrip
fail
STEP roundtrip failed
params + details
params: {
  "type": "step_roundtrip",
  "tolerance_pct": 0.1
}

details: {
  "reason": "no valid solid to round-trip"
}

Tool calls

0
anthropic.messages.create
ok
3655ms
args
{
  "model": "claude-haiku-4-5-20251001",
  "max_tokens": 8000,
  "system_chars": 1632,
  "user_chars": 470
}

What the model built

no render available — vcad-render did not produce geometry for this attempt

.vcad source

{
  "version": "0.1",
  "nodes": {
    "base": {
      "id": "base",
      "name": "Base plate",
      "op": {"type": "Cube", "size": {"x": 50, "y": 30, "z": 4}}
    },
    "wall": {
      "id": "wall",
      "name": "Vertical wall",
      "op": {"type": "Cube", "size": {"x": 4, "y": 30, "z": 26}}
    },
    "wall_translated": {
      "id": "wall_translated",
      "name": "Wall positioned at +X edge",
      "op": {"type": "Translate", "child": "wall", "offset": {"x": 46, "y": 0, "z": 4}}
    },
    "base_and_wall": {
      "id": "base_and_wall",
      "name": "L-bracket without holes",
      "op": {"type": "Union", "left": "base", "right": "wall_translated"}
    },
    "hole1": {
      "id": "hole1",
      "name": "First hole",
      "op": {"type": "Cylinder", "radius": 2.5, "height": 4, "segments": 32}
    },
    "hole1_positioned": {
      "id": "hole1_positioned",
      "name": "First hole at (10, 15)",
      "op": {"type": "Translate", "child": "hole1", "offset": {"x": 10, "y": 15, "z": 0}}
    },
    "hole2": {
      "id": "hole2",
      "name": "Second hole",
      "op": {"type": "Cylinder", "radius": 2.5, "height": 4, "segments": 32}
    },
    "hole2_positioned": {
      "id": "hole2_positioned",
      "name": "Second hole at (35, 15)",
      "op": {"type": "Translate", "child": "hole2", "offset": {"x": 35, "y": 15, "z": 0}}
    },
    "both_holes": {
      "id": "both_holes",
      "name": "Both holes combined",
      "op": {"type": "Union", "left": "hole1_positioned", "right": "hole2_positioned"}
    },
    "bracket": {
      "id": "bracket",
      "name": "L-shaped bracket with holes",
      "op": {"type": "Difference", "left": "base_and_wall", "right": "both_holes"}
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [{"root": "bracket", "material": "default"}]
}

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