Author

F. Sang

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Preprint Aug 2026

TraceCAD: Trace-Guided Repair for Agentic CAD Generation

LLM-based CAD agents produce executable parametric programs, but their correction loops may lose evidence about satisfied requirements, faulty operations, and prior repairs. We introduce TraceCAD, a recovery layer that links requested features, modeling steps, failure evidence, and candidate outcomes as persistent stat...

Fengxiao Fan, Jingzhe Ni, F. Sang et al. · 0 citations