From https://news.ycombinator.com/item?id=40131766 re: LLM minifigs and parametric CAD parts libraries:

Is there a blenderGPT-like tool trained on build123d Python models?

ai-game-development tools lists a few CAD LLM apps like blenderGPT and blender-GPT: https://github.com/Yuan-ManX/ai-game-development-tools#3d-mo...