Hairs are in Free Edit mode, Hair emission numbers : 100000 and Interpolated : 30.
This Realastic fluppy furry rug model is beautiful to be used in architectural models, Model is heavy on render it takes 50 minutes to render with 200 samples on 16 cores on average, with GPU you might reduce this time significantly.
Planes used for lighting, and simple stage setup for effects used.
Gamma 2.0 is used in postprocessing, Final render is entirelly from blender, no other corrections used, Source file will reproduce exact output with Blender 2.79 version.
Initial scene takes 180M ram space, at render time notices max 5050M ram usage.