The 3D documentation has been gently overhauled.
The games-3d ASDF system file was, ahem, not named correctly. That's been fixed.
Assorted legacy code has been mercilessly ripped out of shapes.lisp (no, we do NOT need to special-case tanks).
Some code has been moved to globals-3d.
Next on the list is "more documentation and illustrative images".
//Ingvar