← mecheval / run / a2-washer-01 / openai-direct-gpt-4o-mini / 20260428T212842Z-f603

run 20260428T212842Z-f603

a2-washer-01 · openai-direct-gpt-4o-mini

Summary

statusfail
score0.00 (0/6)
submissionself-run
modelopenai-direct-gpt-4o-mini (openai)
started2026-04-28T21:28:42.637Z
ended2026-04-28T21:28:46.121Z
tokens579 in · 237 out · 816 total
wallclock3.5s
tool calls1
task hashfea2171898f2fccb…
vcad hashe6998bd90134aae9…

Prompt

Make a flat circular washer. Outer diameter 50mm, inner diameter 25mm, thickness 5mm. Axis along Z, base on the XY plane (z = 0 to z = 5). The bore is a single concentric through-hole. 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": [
    -25,
    -25,
    0
  ],
  "max": [
    25,
    25,
    5
  ],
  "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": 7363.11,
  "center_of_mass": [
    0,
    0,
    2.5
  ],
  "tolerance_pct": 1
}

details: {
  "reason": "no valid solid to measure"
}
3
hole_count
fail
found 0/1 holes of ⌀25mm
params + details
params: {
  "type": "hole_count",
  "diameter_mm": 25,
  "expected": 1,
  "diameter_tolerance_mm": 0.1
}

details: {
  "actual": 0,
  "diameter_mm": 25,
  "diameter_tolerance_mm": 0.1,
  "expected": 1,
  "found": []
}
4
hole_positions
fail
1/1 mispositioned
params + details
params: {
  "type": "hole_positions",
  "diameter_mm": 25,
  "positions": [
    [
      0,
      0,
      0
    ]
  ],
  "tolerance_mm": 0.15
}

details: {
  "diameter_mm": 25,
  "per_expected": [
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        0,
        0
      ]
    }
  ],
  "tolerance_mm": 0.15,
  "unmatched_extras": []
}
5
step_roundtrip
fail
STEP roundtrip failed
params + details
params: {
  "type": "step_roundtrip",
  "tolerance_pct": 1
}

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

Tool calls

0
openai.chat.completions.create
ok
3479ms
args
{
  "model": "gpt-4o-mini",
  "max_tokens": 8000,
  "system_chars": 1632,
  "user_chars": 262
}

What the model built

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

.vcad source

{
  "version": "0.1",
  "nodes": {
    "outer_cylinder": {
      "id": "outer_cylinder",
      "name": "Outer Cylinder",
      "op": {
        "type": "Cylinder",
        "radius": 25,
        "height": 5,
        "segments": 32
      }
    },
    "inner_cylinder": {
      "id": "inner_cylinder",
      "name": "Inner Cylinder",
      "op": {
        "type": "Cylinder",
        "radius": 12.5,
        "height": 5,
        "segments": 32
      }
    },
    "washer": {
      "id": "washer",
      "name": "Washer",
      "op": {
        "type": "Difference",
        "left": "outer_cylinder",
        "right": "inner_cylinder"
      }
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [
    {
      "root": "washer",
      "material": "default"
    }
  ]
}

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