The Corona and V-Ray files are saved in 3ds Max 2012 but the material libraries in 2015.
Attention: some cards in Real-World Scale on the model with such materials will throw a UVW Xform modifier (one instance for all). Who does not work in mm: select any model with this modifier (fabric) and set in the Mapping Tile values ​​for centimeters 0.1 for inches 0.039.