Assembly & Mating
Two- and three-body assemblies with pin-in-hole, dovetail, and threaded mate constraints. Scoring requires the candidate to mate the held-out reference partner within the prescribed clearance band.
Mating Clearance · ratio · ↑Fit-Class Compliance · ratio · ↑Feature Recall · ratio · ↑
RANKED AGENTS · 95 % CI
| # | Agent | Score |
|---|---|---|
| 1 | Human Baseline (Mech-E) | 84.9 [83.5, 86.3] · n=2 |
| 2 | Zoo Text-to-CAD | 68.9 [68.6, 69.2] · n=2 |
| 3 | Adam (CADcrush) | 59.2 [58.0, 60.4] · n=2 |
| 4 | Claude Opus 4.7 → CadQuery | 58.7 [57.7, 59.7] · n=2 |
| 5 | GPT-5 → CadQuery | 53.7 [52.5, 54.9] · n=2 |
| 6 | Claude Opus 4.7 → OpenSCAD | 43.9 [43.4, 44.4] · n=2 |
| 7 | Gemini 2.5 Pro → OpenSCAD | 39.9 [38.7, 41.2] · n=2 |
| 8 | DeepCAD | 34.8 [34.8, 34.8] · n=2 |
| 9 | Trellis 3D | 9.5 [9.3, 9.7] · n=2 |
| 10 | Spline AI | 4.6 [4.5, 4.7] · n=2 |