The K40 is a 40 watt CO2 laser system that is commonly available on . There are a lot of variations with the K40 but most have similar components. It is
K40 Upgrades - John's Tech Blog
Expanding The K40 Laser Cutter With Aluminum Extrusion
K40 Laser Cutter Upgrades
Run a K40 Laser Cutter from Your Raspberry Pi with K40 Whisperer
Adding a catch grill to my k40 laser bed //upgrades
K40 Laser Conversion
K40 Laser Upgrades - Essential upgrades for your 40w Cutter - K40 Laser Cutter
CNC Laser Cutter Co2 Laser Engraver Laser Engraving Machine K40
K40 upgrades
Laser für Leser, Make Magazin
K40 BOARD UPGRADE: Not only an ideal replacement motherboard for any OMTech K40 laser engraver, our 24V K40+ control board is packed with cutting-edge
OMTech K40+ Laser Engraver Motherboard Upgrade, Replacement Control Board for CNC CO2 Laser Cutter Engraver Machines with Rotary Axis Autofocus
K40 Laser Essential Upgrades, You need to really consider having these upgrades
Tech-ecke
Make That Laser Cutter Blaze: Upgrade a K40 - Make
K40 Lasercutter Upgrades Archives - xsrobotics