Smiley keychain :)
thingiverse
You can print two parts and put them with some glue together, I think that looks better. Its really simple if you want to print it with two different filaments.
Download Model from thingiverse
With this file you will be able to print Smiley 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 Smiley keychain :).