all sets (11 sets) are presented as one. By purchasing multiple sets, you can unpack them into one folder.
Fbx formats are co-located separately for VRay, Corona Render, Scanline
In OBJ format, the materials are translated into Scanline
In each material of the book, two textures are used on diffuse and the second on glossines and on the bump.
Textures are stored in two archives, in one archive with HD cards and in the second with a 50% reduction in size.