They certainly have ambitions – the most recent changelog claims to add "Full PCB design pipeline: schematic capture, routing, DRC, Gerber export, and signal integrity simulation."

It also seems to have a physics engine, a slicer for 3D printing, an embroidery mode, and a entire ecosystem of math crates (https://tang.toys/).

Whether any of that works – or whether it's pure LLM slop – is less clear. I tried to import a trivial STEP file, and it crashed my browser tab [1]. Every commit is co-authored by Claude.

[1] https://github.com/ecto/vcad/issues/7