There is already a model of this blanket that you can simulate yourself and to your taste: https://3dsky.org/3dmodels/show/pled_dlia_simuliatsii 

Number of polygons in a model without meshSmooth in a hammock ~ 500,000 polys 3d max 2014, FBX_2009 Nastroyki_multiskattera file: -Steki left unfolded. Push modifier will allow to regulate the thickness of the binding, as well as the magnitude displace material in the hammock, -B models after imorta FBX in 3d max, add modifier Meshsmooth Enjoy your "furry" renderings! :-))