Coin hopper for giant Coca-Cola bottle coin bank

This is my very first design, created in Cinema 4D, printed on my QiDi X-One 2 in PLA. The lid piece fits over a giant plastic Coca-Cola bottle coin bank (the cap w/ coin slot removed). The bowl piece sits on top of the cap, and the ring piece locks it all together (loosely, but enough to keep it all there). This works great when you have a fistful of change and want to just throw it in.

I designed it in 3 pieces for 2 reasons:
1: I can print this without supports.
2: I can re-design the h