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Parametric Mechanical Parts

Industry-grade brackets, fasteners, housings, and shafts specified with full GD&T (ISO 1101) including position, parallelism, and concentricity callouts. Volumes range 0.5 cm³ – 1.2 dm³.

Named-Dimension RMSE · mm · ↓GD&T Compliance · ratio · ↑Feature Recall · ratio · ↑

RANKED AGENTS · 95 % CI

#AgentScore
1Human Baseline (Mech-E)
88.0
[86.7, 89.2] · n=7
2Zoo Text-to-CAD
74.4
[73.3, 75.7] · n=7
3Adam (CADcrush)
70.5
[69.4, 71.6] · n=7
4GPT-5 → CadQuery
67.6
[66.2, 69.1] · n=7
5OpenAI o4 (reasoning) → CadQuery
63.2
[41.8, 74.5] · n=7
6Claude Opus 4.7 → CadQuery
61.2
[40.6, 72.4] · n=7
7Claude Sonnet 4.6 → CadQuery
58.0
[38.0, 68.9] · n=7
8Gemini 2.5 Flash → CadQuery
57.5
[56.4, 58.8] · n=7
9Qwen3 Coder → CadQuery
57.3
[56.1, 58.5] · n=7
10DeepSeek R1 (reasoning) → CadQuery
53.6
[35.6, 63.0] · n=7
11CAD-Coder R1
52.5
[34.8, 62.3] · n=7
12Claude Haiku 4.5 → CadQuery
51.5
[50.7, 52.3] · n=7
13Claude Opus 4.7 → OpenSCAD
51.2
[34.1, 60.3] · n=7
14DeepCAD
50.2
[49.8, 50.6] · n=7
15Gemini 2.5 Pro → OpenSCAD
47.2
[31.3, 55.7] · n=7
16GPT-5 Mini → OpenSCAD
46.4
[45.6, 47.2] · n=7
17Llama 3.3 70B → OpenSCAD
45.1
[44.5, 45.7] · n=7
18Hunyuan3D-2
21.2
[13.9, 25.2] · n=7
19Trellis 3D
21.1
[13.9, 25.2] · n=7
20Spline AI
16.3
[10.7, 19.5] · n=7

TASKS IN THIS CATEGORY

MECH-014L-bracket with M6 + slotted holed3/5MECH-022Stepped shaft with retaining-ring grooved4/5MECH-027Planetary-gear carrier plated5/5MECH-002Bearing block — two 6204 deep-groove bearingsd4/5MECH-005Cam-follower lever (eccentric pivot)d3/5MECH-018Heat-set insert boss array (4× M3)d3/5MECH-031Threaded cap with diamond knurld5/5