Cryptex
thingiverse
This is a cryptex puzzle that you can store objects inside. It has a five letter combination that you can set to whatever you like. I have a instructable on how to assemble it here: https://www.instructables.com/id/3D-Printed-Cryptex-Puzzle-Safe/.
Download Model from thingiverse
With this file you will be able to print Cryptex 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 Cryptex.