Enter the laser engraver/cutter: it’s like a 3D printer ... For the laser itself, [MakerMan] is using a six watt PLH3D-6W-XF from Opt Lasers. This module features integrated driver and cooling ...
But what about a laser engraver without the laser? Can that be of any use? Apparently, the answer is yes, if you can harness the power of the sun. That’s what [Lucas] did with his solar-tracking ...