RINGS
thingiverse
A customized version of the object at http://www.thingiverse.com/thing:244299 was created using the Customizer app found at http://www.thingiverse.com/apps/customizer/run?thing_id=244299. Here, the options used include D as symbol, 90 as $fn value, a tilt angle of 66.2, no symbol offset, zero ring diameter and size of 11.5 for the ring, zero symbol twist, and non-mirrored design.
Download Model from thingiverse
With this file you will be able to print RINGS 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 RINGS.