Mokeylaser: A DIY Laser Engraver That You Can Easily Build | Hackaday
How to make a laser pointer for less than $2. The only things I had to buy were some button cell batter… | Laser pointer, Diy electronics, Electronics mini projects
DIY laser communicator
DIY engraving / cutting machine for home, workshop and for your business
ELM - Home Built Laser Projector
Scratch-Built CO2 Laser Tube Kicks Off A Laser Cutter Build | Hackaday