My bad; this was sorta a message to CDBeam, who built some some of the parts for my laser "Brewster", which is built into a beer keg. Lasers out the bung hole.
I keep meaning to write this up for PL, and will, but in the meantime, here are some teaser pix of the first iteration of this:
Attachment 49460Attachment 49461Attachment 49462Attachment 49463

