I have a proper making-of blog post half written, but figured that posting pix here might help spur me to finish the documentation:
The "Mark 2" - my first lasercutting experiment. A fixed-split keyboard designed to de-emphasize pinky usage.

Homebrew Mark 2
The "Mark 3" - a symmetric stagger 60% (or so) board:

fully operational mark 3 keyboard
I'm still working out an ideal layout. It'll likely be based on the BlueShift chorded layout I posted last week. I don't have a whole lot of keycaps on hand. Ignore the label on anything red,white,yellow or green.