20 link spiral chain
thingiverse
A tailored rendition of http://www.thingiverse.com/thing:28405 was created using the Customizer at http://www.thingiverse.com/apps/customizer/run?thing_id=28405. To personalize your design, consider these settings: pitch set to 12, links with a length of 20, starting radius (r0) also 20, spiral type with a total length (t) of 3.5, outer diameter (d) measuring 15 and link length (l) at 22.
Download Model from thingiverse
With this file you will be able to print 20 link spiral 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 20 link spiral chain.