files. To create custom "skins," edit existing car models, or port tracks to other games (like BeamNG.drive or Godot), modders use kn5conv.exe to reverse this process. Best Usage Practices
Do not use your high-poly render mesh for collision. Duplicate your base mesh and simplify it manually. Remove details smaller than 5cm (for racing/car physics) or 20cm (for large environment objects). kn5convexe best