Not used it, but I doubt its a one prompt and your finished workflow.

Words seem to suck at describing 3d objects, especially complex ones. Its why free body diagram and blueprints with specific measurements are needed for machinists and for redrawing lost cad parts.

Im skeptical AI has tackled CAD, or that it can handle the full workload of say designing a MEMS device or stress analysis of your part and optimization for stress loads.

These are all tasks a 3D designer/engineer will handle.

I experimented with asking ChatGPT to give me python scripts to run directly as FreeCAD macros and it does OK. There is potential there.

its pretty sick