Download STL 3D Printing Files

Thingiverse

Autodesk 123D

Youmagine

The Mini Factory

GrabCAD

Cults3D

Repables

Bld3r

Sproutform

Pinshape

Cubify

Instructables

Rascomras (Spanish)

Other 3D Printing Resources

Sign up for a Tinkercad account - it's a free, powerful, web-based 3D modeling app.  Create, export as an STL file and 3D print!

Year one with a 3D printer: 17 tips

Robohand USA - Resources for creating mechanical devices to replace lost digits

Check out this phone app that scans objects for 3D printing

Mr. K's favorite simple STL downloads

Chip Clip - http://www.thingiverse.com/thing:47053

SHARKZ Clip - http://www.thingiverse.com/thing:910216

Small Parts Funnel Tray - http://www.thingiverse.com/thing:918864

Contact us if you have suggested resources you'd like to add :)