Website: thingiverse
Author: roman_hegglin
Price: Free Download
File format: .Stl 3d printable
Description:
Three variants to choose from:Coarse, medium and fine. Warning: Missleading title. Lasers are not included in this model, but you can add them by yourself. Laser safety warning: Laser radiation is dangerous! Please protect remaining eye! .-) Use a LEDs instead… it looks even better this way.