Customized Keychain
thingiverse
http://www.thingiverse.com/download:787408 was the og. this one has initials and a big ol' thumbs up
Download Model from thingiverse
With this file you will be able to print Customized 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 Customized Keychain.