I spent a month building a parametric 3D model generator where an AI agent takes a prompt and spits out a ready STEP, GLB and FCStd file. It works. And I still haven't produced anything I couldn't do by hand in FreeCAD GUI in five minutes.
T3 Code - The Bridge Between CLI and GUI in AI Coding
If you use Cursor or Claude Code, you already know that AI coding tools split into two camps: GUI-first (editors with built-in AI) and CLI-first (terminal agents). T3 Code steps right in the middle, and does it deliberately.