November 7, 2013
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.
License:
Creative Commons - Attribution
roman_hegglin
