Liberate your Laser Cutter to use better software, variable power for full grayscale engraving, and Z Table/ Rotary capability.  The all-new Cohesion3D LaserBoard can be dropped into the K40 Laser Cutter provide an immediate performance upgrade.  It has the same size, mounting hole pattern, and connectors of the M2Nano board in a lot of the K40-style lasers, but it can also run many other Laser Cutters and even CNC Machines. This kit comes with the required power supply!