Stepped shaft A · A1 · a1-stepped-shaft-01

Expected

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

{
  "type": "valid_solid"
}

{
  "type": "bbox",
  "min": [
    -20,
    -20,
    0
  ],
  "max": [
    20,
    20,
    25
  ],
  "tolerance_mm": 0.1
}

{
  "type": "mass_props",
  "volume_mm3": 17278.76,
  "tolerance_pct": 1
}

{
  "type": "step_roundtrip",
  "tolerance_pct": 1
}

Anti-cheese

{
  "max_solid_count": 1
}

Limits

{
  "max_tokens": 30000,
  "max_wallclock_sec": 180,
  "max_tool_calls": 30
}

Recent attempts

Runs (41)

generated 2026-06-17T03:16:07.199Z · static site, regenerate with npm run build -w @mecheval/leaderboard