https://www.collidable.com/
Collidable Simulation
Collidable is a company focused on bringing physics simulation to engineers and roboticists
simulation
https://discussions.unity.com/t/how-can-i-make-my-imported-level-model-collidable/19641
How can I make my imported level model collidable? - Questions & Answers - Unity Discussions
Apr 24, 2011 - So this is probably going to sound horrible, but I've imported a mesh from blender that I'll be using as my level's map, and I don't know how to apply physics...
how can i