Mailbox key keychain
thingiverse
Made my own design of a keychain for a mailbox key. Maybe you like it too. I printed it in yellow so the key is easy to find.
Download Model from thingiverse
With this file you will be able to print Mailbox key 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 Mailbox key keychain.