Assimp is used at run time in 9 crates (of which 7 optionally). It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 2 crates.

Depender (with downloads and own rev deps) Assimp version
100 3 urdf-viz optional ^0.3.1
gear optional ^0.3
3 openrr-planner optional ^0.3
900 2 mesh-loader dev ^0.3
2 grr dev ^0.3