It even supports four different firmwares, from grbl, to smoothieware, marlin and even lasaurgrbl! It’s designed to support home-made laser cutters, diode based laser engravers, and even ...

Right now, you can get a diode laser engraver on eBay for around $100 USD. That sounds like a deal, but it’ll probably use some arcane proprietary software, won’t be terribly accurate ...