Gerbil: The Open upgrade for your K40 Laser by Paul de Groot — Kickstarter
Best laser cutting software for beginners - LaserHints
I got my K40 last week, and already decided that the included software sucks, - K40 Whisperer - Maker Forums
Fastest in Its Class 7045 4570 K40 Laser Cutter 60W/80W/RF30W with Multiple Interfaces Lightburn Software - China Laser Engraving Machine and Laser Engraver
Best laser cutting software for beginners - LaserHints
K40 Laser Cutter: How to Cut and Engrave in One Job : 22 Steps (with Pictures) - Instructables
Using alternative software to control the laser cutter (Scorchworks Whisperer)
⚡K40 Whisperer - A Dummies Guide to K40 Whisperer⚡
K40 Laser Cutter: How to Cut and Engrave in One Job : 22 Steps (with Pictures) - Instructables
K40 eBay Chinese CO2 Laser Cutter - Flashing the Arduino UNO with GRBL Part 2! - YouTube
Installing K40 Whisperer And Inkscape - LaserGods.com
Squeezing a K40 laser engraver, part 1. | The Electronic Mercenary