← mecheval / task / a4-rectangular-tube-01

Hollow square tube A · A4 · a4-rectangular-tube-01

tube · hollow · boolean · rectangular · advanced

Expected

Prompt

Make a hollow square tube. The outer cross-section is a 40mm × 40mm square; the inner cavity is a 28mm × 28mm square, concentric with the outer. The cavity passes all the way through. The tube is 80mm long along Z, with the bottom face on the XY plane (so it spans x in [-20, 20], y in [-20, 20], z in [0, 80] for the outer envelope). The inner cavity spans x in [-14, 14], y in [-14, 14], z in [0, 80]. Wall thickness is 6mm uniformly. Output a single solid.

Checks

0
valid_solid
{
  "type": "valid_solid"
}
1
bbox
{
  "type": "bbox",
  "min": [
    -20,
    -20,
    0
  ],
  "max": [
    20,
    20,
    80
  ],
  "tolerance_mm": 0.05
}
2
mass_props
{
  "type": "mass_props",
  "volume_mm3": 65280,
  "center_of_mass": [
    0,
    0,
    40
  ],
  "tolerance_pct": 0.5
}
3
step_roundtrip
{
  "type": "step_roundtrip",
  "tolerance_pct": 0.5
}

Anti-cheese

{
  "max_solid_count": 1
}

Limits

{
  "max_tokens": 40000,
  "max_wallclock_sec": 240,
  "max_tool_calls": 40
}

Recent attempts

Runs (20)

modelrun statusscorefirst failtokenswall
claude-mcp-claude-opus-4-7 20260611T222409Z-cd0a PASS 1.00 395.1k 71.8s
claude-mcp-claude-opus-4-7 20260611T222407Z-66d6 fail 0.50 bbox · Z off by +1.00mm 589.1k 114.4s
claude-mcp-claude-opus-4-7 20260611T222317Z-ad3d PASS 1.00 280.7k 52.0s
claude-mcp-claude-opus-4-7 20260611T222239Z-6766 PASS 1.00 537.6k 87.5s
claude-mcp-claude-opus-4-7 20260611T222220Z-bf8f PASS 1.00 328.1k 57.0s
claude-direct-claude-sonnet-4-6 20260429T120247Z-ee3c PASS 1.00 1.1k 4.1s
claude-direct-claude-opus-4-7 20260429T120244Z-b822 PASS 1.00 1.3k 4.5s
claude-direct-claude-sonnet-4-6 20260429T120242Z-5cd0 PASS 1.00 1.1k 4.8s
claude-direct-claude-opus-4-7 20260429T120239Z-2d8e PASS 1.00 1.3k 4.7s
claude-direct-claude-sonnet-4-6 20260429T120238Z-8c75 PASS 1.00 1.1k 4.1s
claude-direct-claude-opus-4-7 20260429T120235Z-edd2 PASS 1.00 1.3k 4.0s
claude-direct-claude-sonnet-4-6 20260429T120234Z-105e PASS 1.00 1.1k 4.0s
claude-direct-claude-sonnet-4-6 20260429T120230Z-b581 PASS 1.00 1.0k 3.8s
claude-direct-claude-opus-4-7 20260429T120230Z-4c47 PASS 1.00 1.3k 4.3s
claude-direct-claude-opus-4-7 20260429T120226Z-6a3e PASS 1.00 1.3k 4.4s
claude-direct-claude-haiku-4-5-20251001 20260429T120222Z-798b fail 0.00 valid_solid · solid invalid 1.2k 2.1s
claude-direct-claude-haiku-4-5-20251001 20260429T120220Z-293c fail 0.00 valid_solid · solid invalid 1.2k 2.3s
claude-direct-claude-haiku-4-5-20251001 20260429T120218Z-f865 fail 0.00 valid_solid · solid invalid 1.2k 2.1s
claude-direct-claude-haiku-4-5-20251001 20260429T120215Z-70b8 fail 0.00 valid_solid · solid invalid 1.2k 2.6s
claude-direct-claude-haiku-4-5-20251001 20260429T120211Z-4533 fail 0.00 valid_solid · solid invalid 1.2k 3.9s

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