3W 4'x4' Arduino Laser Cutter/Engraver - Instructables
3W 4'x4' Arduino Laser Cutter/Engraver. In this tutorial you will learn how to make your own 4 ft by 4 ft, Arduino controlled, 3 watt laser engraver / cutter (for thin materials) for around 300$. The main thing that separates this tutorial from other laser engraver tutorials on here is the roughly 42 x 42 inch cutting/engraving area.