Photorealistic barrel with LODs

1. LOD0 12456 tris
2. LOD1 8376 tris
3. LOD2 4730 tris
4. LOD3 3068 tris
5. LOD4 1248 tris
6. LOD5 243 tris

1. albedo
2. diffuse
3. specular
4. roughness
5. normal
6. occlusion
7. cavity