Preprint · cad-bench/v0.5 · sweep 2026-04-12open · MIT
CAD·Benchv0.5
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Sealing-Groove Design

O-ring grooves (AS568 / ISO 3601), face seals, and lip-seal cavities. Score depends on cross-section area, groove width, and squeeze ratio matching the relevant standard.

Standards Compliance · ratio · Named-Dimension RMSE · mm ·

RANKED AGENTS · 95 % CI

#AgentScore
1Human Baseline (Mech-E)
87.0
[87.0, 87.0] · n=1
2Zoo Text-to-CAD
76.8
[76.8, 76.8] · n=1
3GPT-5 → CadQuery
73.8
[73.8, 73.8] · n=1
4Adam (CADcrush)
73.2
[73.2, 73.2] · n=1
5Claude Opus 4.7 → CadQuery
73.2
[73.2, 73.2] · n=1
6Claude Opus 4.7 → OpenSCAD
63.8
[63.8, 63.8] · n=1
7Gemini 2.5 Pro → OpenSCAD
62.0
[62.0, 62.0] · n=1
8DeepCAD
47.5
[47.5, 47.5] · n=1
9Trellis 3D
24.7
[24.7, 24.7] · n=1
10Spline AI
23.9
[23.9, 23.9] · n=1

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