I've written a set of btools that work for the modern engine, and can join parts using the old surface type rules. There's still a few buggy edge cases as of now. But we're getting there. Nothing persists. But I might get around to changing that for private servers, eventually.

Wobble the best; forget the rest.

To floating point errors; and beyond!

Salite all'infinito. O finché non volete fermarvi. Non salite troppo in alto, ok?