DIY Galvo scanner with PWM controlled diode laser

[parsec (FerAS)]

Check if the following links helps.
https://wiki.fablab-muenchen.de/display/L4DIY/LASER4DIY

Laser 4 DIY

https://wiki.fablab-muenchen.de/display/L4DIY/Laser4DIY+Micro+Chip+Laser

How to make your own laser marker with a galvoscanner - EnduranceLasers

DIY 1000W Fiber Laser Cutter Part 1: Project Introduction