Run a K40 Laser Cutter from Your Raspberry Pi @Raspberry_Pi #PiDay #RaspberryPi « Adafruit Industries – Makers, hackers, artists, designers and engineers!
Make That Laser Cutter Blaze: Upgrade a K40 - Make:
K40 style CO2 laser cutter mods. | MIG Welding Forum
K40 Laser Upgrades - 7 upgrades that will transform your K40 laser cutter
K40 40W CO2 Laser Cutter - Mods [der-frickler.net]