Example of a low-cost laser projector. | Download Scientific Diagram
Another Home-built Laser Projector | Hackaday
Coding Laboratory: DIY Laser projector
Alphanumeric Laser Projector With Arduino : 5 Steps - Instructables
DIY Laser Projector - Built from an old hard drive - YouTube
Arduino Laser Show With Real Galvos : 8 Steps (with Pictures) - Instructables
turns out r/pics probably wasn't the best place to post this so I figured maybe you guys would appreciate this. Here's my DIY 1900mW RGB Laser Projector! : r/DIY
Making a Laser Projector from a Hard Drive
Laser projector clock / POV display by smily77 - Thingiverse