Those who work in versions of V-Ray below 3.1, be careful. In the materials of the BRDF section, Microfaset GTR is installed; if the version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - whichever is more convenient for you...
FBX (Autodesk FBX, filesize: 6.1 MB), MAX (Autodesk 3ds Max, filesize: 12.2 MB)