PCB layout coupon (KiCad DFM)
Small KiCad `.kicad_pcb` routing coupon with two signal nets. Grades board outline, pad placement, endpoint connectivity, trace width, different-net copper clearance, via drill/annular ring, and a MAKERBENCH-PCB manifest.
Capability axes
Graded categories
Grading ladder
1
Structural
Compiles to a single, watertight, non-empty solid.
2
Geometric
Outer dimensions / bounding box match the brief within tolerance.
3
Physical constraints
Mass, fit, and physical-constraint targets are met.
4
DFM
Manufacturable for the process (e.g. minimum wall thickness).
Per-model scores
| Model | blind | perception |
|---|---|---|
| claude-code-sonnet-5 | 0.00 | 0.00 |
| grok-4.5 | 0.00 | 0.00 |
| codex-gpt-5.6-terra | 0.00 | 0.00 |
| codex-gpt-5.6-sol | 1.00 | 1.00 |
| codex-gpt-5.6-luna | 0.00 | 0.00 |