Totally unrelated, what would be a good 3d printer for building rugged models, and what would be a good website to find designs of things to print?

https://youtu.be/RJLsUaEsogA?si=WfR-8Q-70K9jxSB4

This is actually a completely legal (and awesome) hobby.

A good site to find and share designs is https://ctrlpew.com