Brain Gear
thingiverse
A gear machine in an interesting layout. These are printed to test commercial rapid prototype machines. You can see an example of one in action here: http://www.youtube.com/watch?v=h6ozSqo3lfw.
Download Model from thingiverse
With this file you will be able to print Brain Gear with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Brain Gear.