← mecheval / run / a3-octagonal-flange-01 / openai-direct-gpt-5-mini / 20260428T232553Z-a6bb
run 20260428T232553Z-a6bb
Summary
| status | fail |
| score | 0.83 (5/6) |
| submission | self-run |
| model | openai-direct-gpt-5-mini (openai) |
| started | 2026-04-28T23:25:53.628Z |
| ended | 2026-04-28T23:27:30.363Z |
| tokens | 668 in · 6,430 out · 7,098 total |
| wallclock | 96.3s |
| tool calls | 1 |
| task hash | 91605c57469285ce… |
| vcad hash | bb0359638dbfd3a1… |
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_solidpass
params + details
params: {
"type": "valid_solid"
}
details: {
"root_count": 1,
"solids_produced": 1
}
1
bboxfail
X off by -1.65mm
params + details
params: {
"type": "bbox",
"min": [
-21.65,
-20,
0
],
"max": [
21.65,
20,
8
],
"tolerance_mm": 0.3
}
details: {
"actual_max": [
20,
20,
8
],
"actual_min": [
-20,
-20,
0
],
"deviation_max": [
-1.6499999999999986,
0,
0
],
"deviation_min": [
1.6499999999999986,
0,
0
],
"max_abs_deviation_mm": 1.6499999999999986,
"tolerance_mm": 0.3
}
2
mass_propspass
params + details
params: {
"type": "mass_props",
"volume_mm3": 9347.81,
"tolerance_pct": 1.5
}
details: {
"volume": {
"actual_mm3": 9355.289000244955,
"deviation_pct": 0.08000804728546458,
"pass": true,
"spec_mm3": 9347.81,
"tolerance_pct": 1.5
}
}
3
hole_countpass
params + details
params: {
"type": "hole_count",
"diameter_mm": 5,
"expected": 8,
"diameter_tolerance_mm": 0.05
}
details: {
"actual": 8,
"diameter_mm": 5,
"diameter_tolerance_mm": 0.05,
"expected": 8,
"found": [
[
15,
0,
5
],
[
10.6066017,
10.6066017,
5
],
[
0,
15,
5
],
[
-10.6066017,
10.6066017,
5
],
[
-15,
0,
5
],
[
-10.6066017,
-10.6066017,
5
],
[
0,
-15,
5
],
[
10.6066017,
-10.6066017,
5
]
]
}
4
hole_positionspass
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": [
{
"distance_mm": 0,
"matched_hole": [
15,
0
],
"pass": true,
"spec_xy": [
15,
0
]
},
{
"distance_mm": 0.004805921949010869,
"matched_hole": [
10.6066017,
10.6066017
],
"pass": true,
"spec_xy": [
10.61,
10.61
]
},
{
"distance_mm": 0,
"matched_hole": [
0,
15
],
"pass": true,
"spec_xy": [
0,
15
]
},
{
"distance_mm": 0.004805921949010869,
"matched_hole": [
-10.6066017,
10.6066017
],
"pass": true,
"spec_xy": [
-10.61,
10.61
]
},
{
"distance_mm": 0,
"matched_hole": [
-15,
0
],
"pass": true,
"spec_xy": [
-15,
0
]
},
{
"distance_mm": 0.004805921949010869,
"matched_hole": [
-10.6066017,
-10.6066017
],
"pass": true,
"spec_xy": [
-10.61,
-10.61
]
},
{
"distance_mm": 0,
"matched_hole": [
0,
-15
],
"pass": true,
"spec_xy": [
0,
-15
]
},
{
"distance_mm": 0.004805921949010869,
"matched_hole": [
10.6066017,
-10.6066017
],
"pass": true,
"spec_xy": [
10.61,
-10.61
]
}
],
"tolerance_mm": 0.2,
"unmatched_extras": []
}
5
step_roundtrippass
params + details
params: {
"type": "step_roundtrip",
"tolerance_pct": 1.5
}
details: {
"per_solid": [
{
"bbox": {
"max_abs_deviation_mm": 0,
"original_max": [
20,
20,
8
],
"original_min": [
-20,
-20,
0
],
"pass": true,
"roundtripped_max": [
20,
20,
8
],
"roundtripped_min": [
-20,
-20,
0
],
"tolerance_mm": 0.856971411425142
},
"index": 0,
"pass": true,
"volume": {
"deviation_pct": 7.777373434420802e-14,
"original_mm3": 9355.289000244955,
"pass": true,
"roundtripped_mm3": 9355.289000244962
}
}
],
"tolerance_pct": 1.5
}
Tool calls
0
openai.chat.completions.createok
96298ms
args
{
"model": "gpt-5-mini",
"max_tokens": 8000,
"system_chars": 1674,
"user_chars": 564
}What the model built
isometric render via vcad-render · the model's actual .vcad output, faceted at 28 segments per cylinder · download 20260428T232553Z-a6bb.vcad
.vcad source
{
"version": "0.1",
"nodes": {
"1": {
"id": 1,
"name": "base_cube_40x40x8",
"op": {
"type": "Cube",
"size": { "x": 40, "y": 40, "z": 8 }
}
},
"2": {
"id": 2,
"name": "center_base_xy",
"op": {
"type": "Translate",
"child": 1,
"offset": { "x": -20, "y": -20, "z": 0 }
}
},
"3": {
"id": 3,
"name": "rot_0",
"op": {
"type": "Rotate",
"child": 2,
"angles": { "x": 0, "y": 0, "z": 0 }
}
},
"4": {
"id": 4,
"name": "rot_45",
"op": {
"type": "Rotate",
"child": 2,
"angles": { "x": 0, "y": 0, "z": 45 }
}
},
"5": {
"id": 5,
"name": "rot_90",
"op": {
"type": "Rotate",
"child": 2,
"angles": { "x": 0, "y": 0, "z": 90 }
}
},
"6": {
"id": 6,
"name": "rot_135",
"op": {
"type": "Rotate",
"child": 2,
"angles": { "x": 0, "y": 0, "z": 135 }
}
},
"7": {
"id": 7,
"name": "rot_180",
"op": {
"type": "Rotate",
"child": 2,
"angles": { "x": 0, "y": 0, "z": 180 }
}
},
"8": {
"id": 8,
"name": "rot_225",
"op": {
"type": "Rotate",
"child": 2,
"angles": { "x": 0, "y": 0, "z": 225 }
}
},
"9": {
"id": 9,
"name": "rot_270",
"op": {
"type": "Rotate",
"child": 2,
"angles": { "x": 0, "y": 0, "z": 270 }
}
},
"10": {
"id": 10,
"name": "rot_315",
"op": {
"type": "Rotate",
"child": 2,
"angles": { "x": 0, "y": 0, "z": 315 }
}
},
"11": {
"id": 11,
"name": "inter_0_45",
"op": {
"type": "Intersection",
"left": 3,
"right": 4
}
},
"12": {
"id": 12,
"name": "inter_001",
"op": {
"type": "Intersection",
"left": 11,
"right": 5
}
},
"13": {
"id": 13,
"name": "inter_002",
"op": {
"type": "Intersection",
"left": 12,
"right": 6
}
},
"14": {
"id": 14,
"name": "inter_003",
"op": {
"type": "Intersection",
"left": 13,
"right": 7
}
},
"15": {
"id": 15,
"name": "inter_004",
"op": {
"type": "Intersection",
"left": 14,
"right": 8
}
},
"16": {
"id": 16,
"name": "inter_005",
"op": {
"type": "Intersection",
"left": 15,
"right": 9
}
},
"17": {
"id": 17,
"name": "octagonal_prism",
"op": {
"type": "Intersection",
"left": 16,
"right": 10
}
},
"18": {
"id": 18,
"name": "hole_cyl_0",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"19": {
"id": 19,
"name": "hole_cyl_1",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"20": {
"id": 20,
"name": "hole_cyl_2",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"21": {
"id": 21,
"name": "hole_cyl_3",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"22": {
"id": 22,
"name": "hole_cyl_4",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"23": {
"id": 23,
"name": "hole_cyl_5",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"24": {
"id": 24,
"name": "hole_cyl_6",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"25": {
"id": 25,
"name": "hole_cyl_7",
"op": {
"type": "Cylinder",
"radius": 2.5,
"height": 8,
"segments": 32
}
},
"26": {
"id": 26,
"name": "hole_pos_0",
"op": {
"type": "Translate",
"child": 18,
"offset": { "x": 15, "y": 0, "z": 0 }
}
},
"27": {
"id": 27,
"name": "hole_pos_45",
"op": {
"type": "Translate",
"child": 19,
"offset": { "x": 10.6066017, "y": 10.6066017, "z": 0 }
}
},
"28": {
"id": 28,
"name": "hole_pos_90",
"op": {
"type": "Translate",
"child": 20,
"offset": { "x": 0, "y": 15, "z": 0 }
}
},
"29": {
"id": 29,
"name": "hole_pos_135",
"op": {
"type": "Translate",
"child": 21,
"offset": { "x": -10.6066017, "y": 10.6066017, "z": 0 }
}
},
"30": {
"id": 30,
"name": "hole_pos_180",
"op": {
"type": "Translate",
"child": 22,
"offset": { "x": -15, "y": 0, "z": 0 }
}
},
"31": {
"id": 31,
"name": "hole_pos_225",
"op": {
"type": "Translate",
"child": 23,
"offset": { "x": -10.6066017, "y": -10.6066017, "z": 0 }
}
},
"32": {
"id": 32,
"name": "hole_pos_270",
"op": {
"type": "Translate",
"child": 24,
"offset": { "x": 0, "y": -15, "z": 0 }
}
},
"33": {
"id": 33,
"name": "hole_pos_315",
"op": {
"type": "Translate",
"child": 25,
"offset": { "x": 10.6066017, "y": -10.6066017, "z": 0 }
}
},
"34": {
"id": 34,
"name": "union_holes_01",
"op": {
"type": "Union",
"left": 26,
"right": 27
}
},
"35": {
"id": 35,
"name": "union_holes_02",
"op": {
"type": "Union",
"left": 34,
"right": 28
}
},
"36": {
"id": 36,
"name": "union_holes_03",
"op": {
"type": "Union",
"left": 35,
"right": 29
}
},
"37": {
"id": 37,
"name": "union_holes_04",
"op": {
"type": "Union",
"left": 36,
"right": 30
}
},
"38": {
"id": 38,
"name": "union_holes_05",
"op": {
"type": "Union",
"left": 37,
"right": 31
}
},
"39": {
"id": 39,
"name": "union_holes_06",
"op": {
"type": "Union",
"left": 38,
"right": 32
}
},
"40": {
"id": 40,
"name": "union_holes_final",
"op": {
"type": "Union",
"left": 39,
"right": 33
}
},
"41": {
"id": 41,
"name": "octagonal_flange_with_holes",
"op": {
"type": "Difference",
"left": 17,
"right": 40
}
}
},
"materials": {},
"part_materials": {},
"roots": [
{ "root": 41, "material": "default" }
]
}