← mecheval / run / a3-octagonal-flange-01 / claude-direct-claude-haiku-4-5-20251001 / 20260428T232544Z-fa66
run 20260428T232544Z-fa66
Summary
| status | fail |
| score | 0.00 (0/6) |
| submission | self-run |
| model | claude-direct-claude-haiku-4-5-20251001 (anthropic) |
| started | 2026-04-28T23:25:44.534Z |
| ended | 2026-04-28T23:25:56.283Z |
| tokens | 739 in · 3,131 out · 3,870 total |
| wallclock | 11.7s |
| tool calls | 1 |
| task hash | 91605c57469285ce… |
| vcad hash | 4db2c1acfbbaaec6… |
Prompt
Make an octagonal prism flange. The outer cross-section is a regular octagon with flat-to-flat distance 40mm (apothem 20mm), oriented so two flats are parallel to the X axis (the top and bottom of the octagon). Height 8mm along Z, base on the XY plane (z = 0 to z = 8). Drill eight through-holes of diameter 5mm, axes parallel to Z, on a bolt circle of radius 15mm centered on the Z axis. The first bolt hole is on the +X axis, and the rest are evenly spaced every 45 degrees. 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": [
-21.65,
-20,
0
],
"max": [
21.65,
20,
8
],
"tolerance_mm": 0.3
}
details: {
"reason": "no valid solid to measure"
}
2
mass_propsfail
mass props off
params + details
params: {
"type": "mass_props",
"volume_mm3": 9347.81,
"tolerance_pct": 1.5
}
details: {
"reason": "no valid solid to measure"
}
3
hole_countfail
found 0/8 holes of ⌀5mm
params + details
params: {
"type": "hole_count",
"diameter_mm": 5,
"expected": 8,
"diameter_tolerance_mm": 0.05
}
details: {
"actual": 0,
"diameter_mm": 5,
"diameter_tolerance_mm": 0.05,
"expected": 8,
"found": []
}
4
hole_positionsfail
8/8 mispositioned
params + details
params: {
"type": "hole_positions",
"diameter_mm": 5,
"positions": [
[
15,
0,
0
],
[
10.61,
10.61,
0
],
[
0,
15,
0
],
[
-10.61,
10.61,
0
],
[
-15,
0,
0
],
[
-10.61,
-10.61,
0
],
[
0,
-15,
0
],
[
10.61,
-10.61,
0
]
],
"tolerance_mm": 0.2
}
details: {
"diameter_mm": 5,
"per_expected": [
{
"pass": false,
"reason": "no candidate cylindrical feature of this diameter remained unmatched",
"spec_xy": [
15,
0
]
},
{
"pass": false,
"reason": "no candidate cylindrical feature of this diameter remained unmatched",
"spec_xy": [
10.61,
10.61
]
},
{
"pass": false,
"reason": "no candidate cylindrical feature of this diameter remained unmatched",
"spec_xy": [
0,
15
]
},
{
"pass": false,
"reason": "no candidate cylindrical feature of this diameter remained unmatched",
"spec_xy": [
-10.61,
10.61
]
},
{
"pass": false,
"reason": "no candidate cylindrical feature of this diameter remained unmatched",
"spec_xy": [
-15,
0
]
},
{
"pass": false,
"reason": "no candidate cylindrical feature of this diameter remained unmatched",
"spec_xy": [
-10.61,
-10.61
]
},
{
"pass": false,
"reason": "no candidate cylindrical feature of this diameter remained unmatched",
"spec_xy": [
0,
-15
]
},
{
"pass": false,
"reason": "no candidate cylindrical feature of this diameter remained unmatched",
"spec_xy": [
10.61,
-10.61
]
}
],
"tolerance_mm": 0.2,
"unmatched_extras": []
}
5
step_roundtripfail
STEP roundtrip failed
params + details
params: {
"type": "step_roundtrip",
"tolerance_pct": 1.5
}
details: {
"reason": "no valid solid to round-trip"
}
Tool calls
0
anthropic.messages.createok
11741ms
args
{
"model": "claude-haiku-4-5-20251001",
"max_tokens": 8000,
"system_chars": 1674,
"user_chars": 564
}What the model built
no render available — vcad-render did not produce geometry for this attempt
.vcad source
{
"version": "0.1",
"nodes": {
"octagon_base": {
"id": "octagon_base",
"name": "Octagonal prism",
"op": {
"type": "Cube",
"size": {"x": 40, "y": 40, "z": 8}
}
},
"octagon_base_centered": {
"id": "octagon_base_centered",
"name": "Octagonal prism centered",
"op": {
"type": "Translate",
"child": "octagon_base",
"offset": {"x": -20, "y": -20, "z": 0}
}
},
"cut1": {
"id": "cut1",
"name": "Cut corner 1",
"op": {
"type": "Cube",
"size": {"x": 20, "y": 20, "z": 8}
}
},
"cut1_positioned": {
"id": "cut1_positioned",
"name": "Cut corner 1 positioned",
"op": {
"type": "Translate",
"child": "cut1",
"offset": {"x": -20, "y": -20, "z": 0}
}
},
"after_cut1": {
"id": "after_cut1",
"name": "After cut 1",
"op": {
"type": "Difference",
"left": "octagon_base_centered",
"right": "cut1_positioned"
}
},
"cut2": {
"id": "cut2",
"name": "Cut corner 2",
"op": {
"type": "Cube",
"size": {"x": 20, "y": 20, "z": 8}
}
},
"cut2_positioned": {
"id": "cut2_positioned",
"name": "Cut corner 2 positioned",
"op": {
"type": "Translate",
"child": "cut2",
"offset": {"x": 0, "y": -20, "z": 0}
}
},
"after_cut2": {
"id": "after_cut2",
"name": "After cut 2",
"op": {
"type": "Difference",
"left": "after_cut1",
"right": "cut2_positioned"
}
},
"cut3": {
"id": "cut3",
"name": "Cut corner 3",
"op": {
"type": "Cube",
"size": {"x": 20, "y": 20, "z": 8}
}
},
"cut3_positioned": {
"id": "cut3_positioned",
"name": "Cut corner 3 positioned",
"op": {
"type": "Translate",
"child": "cut3",
"offset": {"x": 0, "y": 0, "z": 0}
}
},
"after_cut3": {
"id": "after_cut3",
"name": "After cut 3",
"op": {
"type": "Difference",
"left": "after_cut2",
"right": "cut3_positioned"
}
},
"cut4": {
"id": "cut4",
"name": "Cut corner 4",
"op": {
"type": "Cube",
"size": {"x": 20, "y": 20, "z": 8}
}
},
"cut4_positioned": {
"id": "cut4_positioned",
"name": "Cut corner 4 positioned",
"op": {
"type": "Translate",
"child": "cut4",
"offset": {"x": -20, "y": 0, "z": 0}
}
},
"octagon": {
"id": "octagon",
"name": "Octagon",
"op": {
"type": "Difference",
"left": "after_cut3",
"right": "cut4_positioned"
}
},
"hole0": {
"id": "hole0",
"name": "Bolt hole 0 (0 deg)",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"hole0_positioned": {
"id": "hole0_positioned",
"name": "Bolt hole 0 positioned",
"op": {
"type": "Translate",
"child": "hole0",
"offset": {"x": 15, "y": 0, "z": 0}
}
},
"after_hole0": {
"id": "after_hole0",
"name": "After hole 0",
"op": {
"type": "Difference",
"left": "octagon",
"right": "hole0_positioned"
}
},
"hole1": {
"id": "hole1",
"name": "Bolt hole 1 (45 deg)",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"hole1_positioned": {
"id": "hole1_positioned",
"name": "Bolt hole 1 positioned",
"op": {
"type": "Translate",
"child": "hole1",
"offset": {"x": 10.60660171509580, "y": 10.60660171509580, "z": 0}
}
},
"after_hole1": {
"id": "after_hole1",
"name": "After hole 1",
"op": {
"type": "Difference",
"left": "after_hole0",
"right": "hole1_positioned"
}
},
"hole2": {
"id": "hole2",
"name": "Bolt hole 2 (90 deg)",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"hole2_positioned": {
"id": "hole2_positioned",
"name": "Bolt hole 2 positioned",
"op": {
"type": "Translate",
"child": "hole2",
"offset": {"x": 0, "y": 15, "z": 0}
}
},
"after_hole2": {
"id": "after_hole2",
"name": "After hole 2",
"op": {
"type": "Difference",
"left": "after_hole1",
"right": "hole2_positioned"
}
},
"hole3": {
"id": "hole3",
"name": "Bolt hole 3 (135 deg)",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"hole3_positioned": {
"id": "hole3_positioned",
"name": "Bolt hole 3 positioned",
"op": {
"type": "Translate",
"child": "hole3",
"offset": {"x": -10.60660171509580, "y": 10.60660171509580, "z": 0}
}
},
"after_hole3": {
"id": "after_hole3",
"name": "After hole 3",
"op": {
"type": "Difference",
"left": "after_hole2",
"right": "hole3_positioned"
}
},
"hole4": {
"id": "hole4",
"name": "Bolt hole 4 (180 deg)",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"hole4_positioned": {
"id": "hole4_positioned",
"name": "Bolt hole 4 positioned",
"op": {
"type": "Translate",
"child": "hole4",
"offset": {"x": -15, "y": 0, "z": 0}
}
},
"after_hole4": {
"id": "after_hole4",
"name": "After hole 4",
"op": {
"type": "Difference",
"left": "after_hole3",
"right": "hole4_positioned"
}
},
"hole5": {
"id": "hole5",
"name": "Bolt hole 5 (225 deg)",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"hole5_positioned": {
"id": "hole5_positioned",
"name": "Bolt hole 5 positioned",
"op": {
"type": "Translate",
"child": "hole5",
"offset": {"x": -10.60660171509580, "y": -10.60660171509580, "z": 0}
}
},
"after_hole5": {
"id": "after_hole5",
"name": "After hole 5",
"op": {
"type": "Difference",
"left": "after_hole4",
"right": "hole5_positioned"
}
},
"hole6": {
"id": "hole6",
"name": "Bolt hole 6 (270 deg)",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"hole6_positioned": {
"id": "hole6_positioned",
"name": "Bolt hole 6 positioned",
"op": {
"type": "Translate",
"child": "hole6",
"offset": {"x": 0, "y": -15, "z": 0}
}
},
"after_hole6": {
"id": "after_hole6",
"name": "After hole 6",
"op": {
"type": "Difference",
"left": "after_hole5",
"right": "hole6_positioned"
}
},
"hole7": {
"id": "hole7",
"name": "Bolt hole 7 (315 deg)",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"hole7_positioned": {
"id": "hole7_positioned",
"name": "Bolt hole 7 positioned",
"op": {
"type": "Translate",
"child": "hole7",
"offset": {"x": 10.60660171509580, "y": -10.60660171509580, "z": 0}
}
},
"flange": {
"id": "flange",
"name": "Octagonal flange with bolt holes",
"op": {
"type": "Difference",
"left": "after_hole6",
"right": "hole7_positioned"
}
}
},
"materials": {},
"part_materials": {},
"roots": [
{
"root": "flange",
"material": "default"
}
]
}