PAIN Ring
thingiverse
A customized version of the thing can be accessed via this link: http://www.thingiverse.com/apps/customizer/run?thing_id=59100. To create it, use these settings: text size for face is 4, no face text, the inscribed text is "Pain in the BUTT", text size inside is 3, thickness is 2, ring size is 16.51, ring width is 5 and the ring angle is set at 15 degrees.
Download Model from thingiverse
With this file you will be able to print PAIN Ring 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 PAIN Ring.