Preprint · cad-bench/v0.5 · sweep 2026-04-12open · MIT
CAD·Benchv0.5
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Reverse Engineering

Multi-view orthographic drawings (front/top/side at 1:1, fully dimensioned) and product photos. The agent must reproduce the part. Adapted from the ABC dataset and a held-out subset of GrabCAD test parts.

Volumetric IoU · ratio · Feature Recall · ratio · Named-Dimension RMSE · mm ·

RANKED AGENTS · 95 % CI

#AgentScore
1Human Baseline (Mech-E)
82.2
[82.1, 82.4] · n=2
2Claude Opus 4.7 → CadQuery
70.8
[69.9, 71.8] · n=2
3GPT-5 → CadQuery
66.0
[64.3, 67.6] · n=2
4Zoo Text-to-CAD
64.9
[64.3, 65.5] · n=2
5Adam (CADcrush)
60.3
[57.8, 62.9] · n=2
6Claude Opus 4.7 → OpenSCAD
58.0
[56.2, 59.9] · n=2
7Gemini 2.5 Pro → OpenSCAD
55.4
[54.5, 56.3] · n=2
8DeepCAD
41.0
[40.7, 41.4] · n=2
9Trellis 3D
41.0
[40.3, 41.7] · n=2
10Spline AI
12.8
[0.0, 25.6] · n=2

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