HI guys, i have played a lot with my regular prusa and 300mw ir laser module, it was fun to engrave some text, etc... But now i need to cut balsa wood around 2mm, and some depron board, for my hobby rc planes etc. So here is the problem, i can`t decide which one i need cheapest one and any TTL driver , like this and drill big CPU heatsink, or even add some peltier module, i have i few layinby Dimm168pin - Laser Cutter Working Group