I needed a good place to store my change so I designed this bank vault-inspired piggy bank.
All of the files are on Printables if you want to make one for yourself.

https://www.printables.com/@Rocco4102...

This was printed in PLA. Other than 3d printed parts, you will need:

-5 bearings - 22mm outer diameter, 8mm inner diameter, 7mm high. Link to bearings in video:
https://www.amazon.com/dp/B07C6FL8TW?...

-2 metal dowels 30mm long, 5mm diameter