← mecheval / run / a1-stepped-shaft-01 / openai-direct-gpt-4o-mini / 20260428T212531Z-59c3
run 20260428T212531Z-59c3
Summary
| status | fail |
| score | 0.00 (0/4) |
| submission | self-run |
| model | openai-direct-gpt-4o-mini (openai) |
| started | 2026-04-28T21:25:31.534Z |
| ended | 2026-04-28T21:25:35.653Z |
| tokens | 599 in · 262 out · 861 total |
| wallclock | 4.1s |
| tool calls | 1 |
| task hash | 0b362741f05ae514… |
| vcad hash | 8aa45cb4c93439ab… |
Prompt
Make a stepped shaft along the Z axis: a base cylinder of diameter 40mm and height 10mm sitting on the XY plane (z = 0 to z = 10), with a smaller coaxial cylinder of diameter 20mm and height 15mm stacked directly on top (z = 10 to z = 25). The result is a single solid.
Checks
0
valid_solidfail
solid invalid
params + details
params: {
"type": "valid_solid"
}
details: {
"error": "parse: Invalid JSON vcad file: invalid type: map, expected u64 at line 31 column 5",
"reason": "fatal evaluation error"
}
1
bboxfail
? off by 0.00mm
params + details
params: {
"type": "bbox",
"min": [
-20,
-20,
0
],
"max": [
20,
20,
25
],
"tolerance_mm": 0.1
}
details: {
"reason": "no valid solid to measure"
}
2
mass_propsfail
mass props off
params + details
params: {
"type": "mass_props",
"volume_mm3": 17278.76,
"tolerance_pct": 1
}
details: {
"reason": "no valid solid to measure"
}
3
step_roundtripfail
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.createok
4114ms
args
{
"model": "gpt-4o-mini",
"max_tokens": 8000,
"system_chars": 1632,
"user_chars": 331
}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": "Base Cylinder",
"op": {
"type": "Cylinder",
"radius": 20,
"height": 10,
"segments": 32
}
},
"2": {
"id": 2,
"name": "Top Cylinder",
"op": {
"type": "Translate",
"child": {
"type": "Cylinder",
"radius": 10,
"height": 15,
"segments": 32
},
"offset": {
"x": 0,
"y": 0,
"z": 10
}
}
},
"3": {
"id": 3,
"name": "Stepped Shaft",
"op": {
"type": "Union",
"left": 1,
"right": 2
}
}
},
"materials": {},
"part_materials": {},
"roots": [{
"root": 3,
"material": "default"
}]
}