A fun Easter Egg. This is me playing with how pieces fit together so the fit is very tight once it snaps together. It is possible to loosen the fit up by sanding the edges so you can open and close it by hand, but when first printed I definitely need to wedge something in to pry it apart.

I've been printing it in PLA with supports and the wavy edge up.

This is a remix of my Sphere Box 2 https://www.thingiverse.com/thing:3133485