Upgraded CO2-Lasercutter 40W (cheap Chinese laser K40) hans November 24, 2016 Leave a comment Features: Controller: original m2NANO replaced by smoothieboard-X3 Workarea: expanded from (300 x 200 x 80) to (340 x 270 x 80 ) mm Focusing added (double red-point laser with intersecting rays) Air-assist added (pump from a blood-pressure gauge) Software: Inkscape + LaserWeb3 @see Lasercutter