chain
thingiverse
A personalized version of http://www.thingiverse.com/thing:28405 was made using the Customizer tool at http://www.thingiverse.com/apps/customizer/run?thing_id=28405. The design features 12 links arranged in a straight pattern, with each link measuring 3.5 inches in length, 12-inch diameter circles, and 22 inches in total length. The pitch between the circles is set at 12 inches, while the initial radius (r0) is 20 inches.
Download Model from thingiverse
With this file you will be able to print chain 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 chain.