← mecheval / run / a1-pipe-01 / openai-direct-gpt-4o-mini / 20260428T212618Z-9c33

run 20260428T212618Z-9c33

a1-pipe-01 · openai-direct-gpt-4o-mini

Summary

statusfail
score0.00 (0/6)
submissionself-run
modelopenai-direct-gpt-4o-mini (openai)
started2026-04-28T21:26:18.565Z
ended2026-04-28T21:26:21.749Z
tokens581 in · 185 out · 766 total
wallclock3.2s
tool calls1
task hashdc635a8f07dac22f…
vcad hash501a806e9db53190…

Prompt

Make a hollow cylindrical pipe with outer diameter 30mm and inner diameter 20mm. Length 40mm, axis along Z, base on the XY plane (z = 0 to z = 40). The bore is a single through-hole on the central axis. 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 type: string \"1\", expected u64 at line 5 column 15",
  "reason": "fatal evaluation error"
}
1
bbox
fail
? off by 0.00mm
params + details
params: {
  "type": "bbox",
  "min": [
    -15,
    -15,
    0
  ],
  "max": [
    15,
    15,
    40
  ],
  "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": 15707.96,
  "center_of_mass": [
    0,
    0,
    20
  ],
  "tolerance_pct": 1
}

details: {
  "reason": "no valid solid to measure"
}
3
hole_count
fail
found 0/1 holes of ⌀20mm
params + details
params: {
  "type": "hole_count",
  "diameter_mm": 20,
  "expected": 1,
  "diameter_tolerance_mm": 0.1
}

details: {
  "actual": 0,
  "diameter_mm": 20,
  "diameter_tolerance_mm": 0.1,
  "expected": 1,
  "found": []
}
4
hole_positions
fail
1/1 mispositioned
params + details
params: {
  "type": "hole_positions",
  "diameter_mm": 20,
  "positions": [
    [
      0,
      0,
      0
    ]
  ],
  "tolerance_mm": 0.15
}

details: {
  "diameter_mm": 20,
  "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
3178ms
args
{
  "model": "gpt-4o-mini",
  "max_tokens": 8000,
  "system_chars": 1632,
  "user_chars": 278
}

What the model built

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

.vcad source

{
  "version": "0.1",
  "nodes": {
    "1": {
      "id": "1",
      "name": "Outer Cylinder",
      "op": {"type":"Cylinder", "radius":15, "height":40, "segments":32}
    },
    "2": {
      "id": "2",
      "name": "Inner Cylinder",
      "op": {"type":"Cylinder", "radius":10, "height":40, "segments":32}
    },
    "3": {
      "id": "3",
      "name": "Hollow Pipe",
      "op": {"type":"Difference", "left":"1", "right":"2"}
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [{"root": "3", "material": "default"}]
}

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