Author

Yang Zheng

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Preprint Aug 2026

OmniCAD: A Large-Scale Benchmark for 3D Spatial Reasoning in Robotics Assemblies

OmniCAD is introduced, a large-scale benchmark for assembly-aware 3D spatial reasoning across diverse industrial systems, including robotic mechanisms, automotive components, aerospace structures, and agricultural machinery, and tool-augmented agentic reasoning.

Mingjia Wang, Taiting Lu, Ziwei Dong et al. · 0 citations

Preprint Aug 2026

OmniMech: All-in-one Multimodal Mechanical Benchmark for 3D Reconstruction

OmniMech is introduced, the first million-scale benchmark for evaluating VLMs on executable CAD generation from industrial manufacturing data, and experiments show that current VLMs and CAD-specialized models still struggle with executable program synthesis, fine-grained 3D reconstruction, and reliable enforcement of dimensions and tolerances.

Taiting Lu, Runze Liu, Ziwei Dong et al. · 0 citations