Textures, physics files, and add-ons like trailers or cranes.

Popular hubs like Mod.io or the Steam Workshop often host these assets. 3. Technical Documentation

Digital artists and engineers often package high-fidelity models in compressed RAR files for use in various software.

You can browse catalogs on sites like Free3D or RenderHub . 2. Simulator Game Mods

Usually .max , .obj , .fbx , or .stl for 3D printing.

Primarily Spintires , MudRunner , and SnowRunner .