U-channel bracket A · A2 · a2-channel-bracket-01

Expected

Prompt

Make a U-shaped channel bracket built from three rectangular plates fused into a single solid. Bottom plate: x in [0, 30], y in [0, 40], z in [0, 4]. Left wall standing on top of the bottom: x in [0, 4], y in [0, 40], z in [4, 30]. Right wall standing on top of the bottom: x in [26, 30], y in [0, 40], z in [4, 30]. Output a single solid.

Checks

{
  "type": "valid_solid"
}

{
  "type": "bbox",
  "min": [
    0,
    0,
    0
  ],
  "max": [
    30,
    40,
    30
  ],
  "tolerance_mm": 0.05
}

{
  "type": "mass_props",
  "volume_mm3": 13120,
  "tolerance_pct": 0.1
}

{
  "type": "step_roundtrip",
  "tolerance_pct": 0.1
}

Anti-cheese

{
  "max_solid_count": 1
}

Limits

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

Recent attempts

Runs (35)

generated 2026-06-17T03:16:07.204Z · static site, regenerate with npm run build -w @mecheval/leaderboard