L-Cheapo Laser Cutter Parts

http://robots-everywhere.com/re_wiki/index.php?n=Main.LCheapo How to make (or buy) the L-Cheapo here, with photos and schematics.
The L-Cheapo is a laser cutter 3d printer accessory that will cut up to 3/16" wood or acrylic. It is in the process of being open sourced, so we're releasing the working drawings here.
The jig for making the heatsink is demoed here:
https://www.youtube.com/watch?v=1olPQ63jgbc