unf keychain
thingiverse
A customized version of the design found at http://www.thingiverse.com/thing:62719 was created using Customizer! (http://www.thingiverse.com/apps/customizer/run?thing_id=62719). To print this object, follow these instructions: set length to 50mm, build plate manual X and Y coordinates at 100mm each, and use text "U N F". Set the height to 1.6mm, disable the build plate selector, give a ring radius of 1.6mm, text size of 10, and choose the font file write/Letters.dxf. Finally, set the lip at 0.4mm and ring thickness at 0.8mm, with an object width of 25mm.
With this file you will be able to print unf keychain 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 unf keychain.