[LokisMischief] wrote in to the tip line to let us know about this incredible home made CO2 laser. This thing is a complete DIY beauty, from the PVC cooling jacket to the toolbox based controller. T ...

He purchased a cheap 40 W CO2 laser tube, but it meant that he needed ... a plywood box formed the enclosure. The stepper controller is an Arduino Mega running the Marlaser firmware, though ...

Fractional carbon dioxide laser treatments are effective at reducing postsurgical scarring, particularly in the first month after surgery.