← mecheval / run / a2-washer-01 / claude-direct-claude-haiku-4-5-20251001 / 20260428T211511Z-beae
run 20260428T211511Z-beae
Summary
| status | fail |
| score | 0.00 (0/6) |
| submission | self-run |
| model | claude-direct-claude-haiku-4-5-20251001 (anthropic) |
| started | 2026-04-28T21:15:11.116Z |
| ended | 2026-04-28T21:15:12.785Z |
| tokens | 642 in · 234 out · 876 total |
| wallclock | 1.7s |
| tool calls | 1 |
| task hash | fea2171898f2fccb… |
| vcad hash | cc6f2ed7eb6e4184… |
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_solidfail
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
bboxfail
? 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_propsfail
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_countfail
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_positionsfail
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_roundtripfail
STEP roundtrip failed
params + details
params: {
"type": "step_roundtrip",
"tolerance_pct": 1
}
details: {
"reason": "no valid solid to round-trip"
}
Tool calls
0
anthropic.messages.createok
1663ms
args
{
"model": "claude-haiku-4-5-20251001",
"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": 0,
"name": "outer_cylinder",
"op": {"type": "Cylinder", "radius": 25, "height": 5, "segments": 32}
},
"inner_cylinder": {
"id": 1,
"name": "inner_cylinder",
"op": {"type": "Cylinder", "radius": 12.5, "height": 5, "segments": 32}
},
"washer": {
"id": 2,
"name": "washer",
"op": {"type": "Difference", "left": 0, "right": 1}
}
},
"materials": {},
"part_materials": {},
"roots": [{"root": 2, "material": "default"}]
}