← mecheval / run / a1-pipe-01 / openai-direct-gpt-4o-mini / 20260428T212625Z-1b5f

run 20260428T212625Z-1b5f

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

Summary

statusPASS
score1.00 (6/6)
submissionself-run
modelopenai-direct-gpt-4o-mini (openai)
started2026-04-28T21:26:25.281Z
ended2026-04-28T21:26:29.015Z
tokens581 in · 226 out · 807 total
wallclock3.7s
tool calls1
task hashdc635a8f07dac22f…
vcad hash00c51beff90bcec9…

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
pass
params + details
params: {
  "type": "valid_solid"
}

details: {
  "root_count": 1,
  "solids_produced": 1
}
1
bbox
pass
params + details
params: {
  "type": "bbox",
  "min": [
    -15,
    -15,
    0
  ],
  "max": [
    15,
    15,
    40
  ],
  "tolerance_mm": 0.1
}

details: {
  "actual_max": [
    15,
    15,
    40
  ],
  "actual_min": [
    -15,
    -15,
    0
  ],
  "deviation_max": [
    0,
    0,
    0
  ],
  "deviation_min": [
    0,
    0,
    0
  ],
  "max_abs_deviation_mm": 0,
  "tolerance_mm": 0.1
}
2
mass_props
pass
params + details
params: {
  "type": "mass_props",
  "volume_mm3": 15707.96,
  "center_of_mass": [
    0,
    0,
    20
  ],
  "tolerance_pct": 1
}

details: {
  "center_of_mass": {
    "actual": [
      1.0683557267870102e-16,
      -8.5711266262685135e-16,
      20.000000000000036
    ],
    "bbox_diagonal_mm": 58.309518948453004,
    "deviation": [
      1.0683557267870102e-16,
      -8.5711266262685135e-16,
      3.552713678800501e-14
    ],
    "max_abs_deviation_mm": 3.552713678800501e-14,
    "pass": true,
    "spec": [
      0,
      0,
      20
    ],
    "tolerance_mm": 0.5830951894845301
  },
  "volume": {
    "actual_mm3": 15607.22623975589,
    "deviation_pct": 0.6412911685801935,
    "pass": true,
    "spec_mm3": 15707.96,
    "tolerance_pct": 1
  }
}
3
hole_count
pass
params + details
params: {
  "type": "hole_count",
  "diameter_mm": 20,
  "expected": 1,
  "diameter_tolerance_mm": 0.1
}

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

details: {
  "diameter_mm": 20,
  "per_expected": [
    {
      "distance_mm": 0,
      "matched_hole": [
        0,
        0
      ],
      "pass": true,
      "spec_xy": [
        0,
        0
      ]
    }
  ],
  "tolerance_mm": 0.15,
  "unmatched_extras": []
}
5
step_roundtrip
pass
params + details
params: {
  "type": "step_roundtrip",
  "tolerance_pct": 1
}

details: {
  "per_solid": [
    {
      "bbox": {
        "max_abs_deviation_mm": 0,
        "original_max": [
          15,
          15,
          40
        ],
        "original_min": [
          -15,
          -15,
          0
        ],
        "pass": true,
        "roundtripped_max": [
          15,
          15,
          40
        ],
        "roundtripped_min": [
          -15,
          -15,
          0
        ],
        "tolerance_mm": 0.5830951894845301
      },
      "index": 0,
      "pass": true,
      "volume": {
        "deviation_pct": 0,
        "original_mm3": 15607.226239755875,
        "pass": true,
        "roundtripped_mm3": 15607.226239755875
      }
    }
  ],
  "tolerance_pct": 1
}

Tool calls

0
openai.chat.completions.create
ok
3681ms
args
{
  "model": "gpt-4o-mini",
  "max_tokens": 8000,
  "system_chars": 1632,
  "user_chars": 278
}

What the model built

isometric render via vcad-render · the model's actual .vcad output, faceted at 28 segments per cylinder · download 20260428T212625Z-1b5f.vcad

.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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