For LOD (Level of Detail) FBX 3D models, the best complex shaders balance visual fidelity and performance—key options are LOD-aware PBR (Physically Based Rendering) shaders or procedural shaders with tiered simplification.
- LOD-aware PBR shaders: Higher LODs retain full details (e.g., metallic/roughness maps), while lower LODs use smaller textures or simpler calculations to save GPU resources. - Procedural shaders: Generate details dynamically, so lower LODs skip complex steps without losing core look—ideal for real-time use like games or AR/VR.
These shaders work best for projects where quality and frame rate matter. Use tools like Blender, Unity, or Unreal’s built-in PBR shaders with mipmapping (auto-resize textures for LODs) to easily adjust the balance.