This 3D-printed plastic contraption turns a laser pointer into a trippy customized light show

A Los Angeles-based maker has created the ultimate life hack for producing your own projected light show from the comfort of your own home. Aptly deemed 'The Mechanical Laser Show,' this fun little Thingiverse project turns a basic laser pointer into a trippy customized light show. Produce a five-point star, the Batman Logo, or a custom shape.

from 3ders.org - http://www.3ders.org