Turn your Prusa i3 (or if you have: your samelladrucker) into a Laser Cutter! It will cut though Foil and engrave Wood. Nothing too fancy, but still nice :D This mount is a drop in replacement for a printing extruder. Fits X-Carriage from my printer and the i3 Rework set. Mount will fit this Laser: http://goo.gl/8TtSC9 You will find Lasers with more than 2W with the same dimensions. Here's my Firmware: https://goo.gl/vWd3at. You will need to make changes to get it working on your machine though. This is my Printer: http://www.thingiverse.com/thing:976653 Be careful when working with lasers. This is not a toy! WEAR LASER PROTECTION EYEWEAR and MAKE SURE YOU LOCK THE ROOM so your kids are not exposed to the beam.