It's a laser engraver that use use arduino with CNC shield and GRBL.
Some hints and kinks with using Benbox software with an Eleks Laser Engraver kit (such as from GearBest /Banggood).
I have designed and built my own CO2 lasercutter. This lasercutter uses a 40 W laser and has a working area of 560 by 960 mm.
This is a small tutorial explaining how to get a better accuracy from a cheap laser cutter by applying transformations
