Author

Jiaying Lu

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Preprint Aug 2026

OmniRouting: A Semantic-Coupled Multimodal Benchmark for Constraint-Aware Spatial Reasoning in PCB Routing

OmniRouting is the first large-scale benchmark designed to evaluate LLMs on printed-circuit-board (PCB) routing reasoning under real-world industrial design-rule, manufacturability, and connectivity constraints, and reveals substantial limitations of current LMMs in PCB routing.

Taiting Lu, Kaiyuan Lin, 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