Five fun DIY 3D Printing Projects: programmable coffee grinder, ergonomic keyboard, sound wave, more

Here’s another round-up of some of the best 3D printing projects that have come out of the ever-growing hobbyist community in recent weeks. We’ve got five DIY 3D printing efforts for you, including an ergonomic keyboard and a programmable coffee grinder.

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