Kinematic Mechanisms
Four-bar linkages, cams (radial/face), gear meshes (involute, ISO 53). Scored by simulating one full kinematic cycle and measuring (a) feasibility — no body interpenetration — and (b) prescribed motion error.
Mating Clearance · ratio · ↑Feature Recall · ratio · ↑Parametric Edit Accuracy · ratio · ↑
RANKED AGENTS · 95 % CI
| # | Agent | Score |
|---|---|---|
| 1 | Human Baseline (Mech-E) | 84.2 [84.2, 84.2] · n=1 |
| 2 | Claude Opus 4.7 → CadQuery | 73.1 [73.1, 73.1] · n=1 |
| 3 | Zoo Text-to-CAD | 69.2 [69.2, 69.2] · n=1 |
| 4 | Adam (CADcrush) | 69.0 [69.0, 69.0] · n=1 |
| 5 | GPT-5 → CadQuery | 66.7 [66.7, 66.7] · n=1 |
| 6 | Claude Opus 4.7 → OpenSCAD | 56.9 [56.9, 56.9] · n=1 |
| 7 | Gemini 2.5 Pro → OpenSCAD | 51.8 [51.8, 51.8] · n=1 |
| 8 | DeepCAD | 39.7 [39.7, 39.7] · n=1 |
| 9 | Spline AI | 6.1 [6.1, 6.1] · n=1 |
| 10 | Trellis 3D | 0.0 [0.0, 0.0] · n=1 |