K40 Upgrades - John's Tech Blog

The Chinese laser often referred to as the K40 (40 watt) is an entry level CO2 laser at a magnificent price point.  They can be had for around $350 to $450 dollars depending on where you get them and how you get them configured. I got mine from a place called OMTech for about $420. […]

Make That Laser Cutter Blaze: Upgrade a K40 - Make

K40 LASER UPGRADES *TEST DRIVE*

Adventures in DIY Engineering: 40 Watt Chinese CO2 Laser Upgrade

What is the K40 laser cutter and how can I set one up? [Part 1]

I recently got an OMtech k40 to start making my own. Installed a

K40 Laser Cutter –

MORE” K40 LASER UPGRADES & IMPROVEMENT'S

The complete idiots guide to Chinese K40 Laser Cutters for

Upgraded the extractor on the K40! : r/ChineseLaserCutters