To get a fully terry towel replace the object Material ID from # 1 to # 3.
High detail for close-up angles use Turbosmooth (all objects are anti-aliased). Turbosmooth Render Iterations 1 is enabled by default.

Polys: 257076
Verts: 333405
Quads only

In the archive the scene is 3ds max 2014 and the obj file.
Materials for Corona and Vray. If your version of V-Ray is lower than 3.1 please note: in the materials in the BRDF section there is Microfaset GTR (GGX). In older versions of Vray the BRDF field will be empty. Choose Blinn Phong or Ward.