Twist Lock Piggy Bank Lid

compact, reusable screw-on cap inspired by classic coin banks. Designed in FreeCAD, this lid is made to fit various piggy bank models, keeping your coins secure while allowing easy access. Perfect for DIY and 3D-printed piggy bank projects.

inspired by the design of https://www.printables.com/model/347031-pokeballpremier-ball-piggy-bank

I’m open to suggestions and improvements—feel free to share your feedback.
I’d also love to see which piggy bank model you use it with, so please post pictures or links in the comments!