@renderhjs: Just took a quick look and it looks like the export object and edge list paths aren't right. OBJFilePath = GetDir #export + "roadkillOBJ.obj" evaluates to "C: \Documents and Settings\User\My Documents\3dsMax\exportroadkillOBJ.obj" it should be OBJFilePath = GetDir #export + "\\roadkillOBJ.obj" which evaluates…
Found the guide: https://docs.unity3d.com/2017.4/Documentation/uploads/ExpertGuides/Dark_Dielectric_Materials.pdf and fixed the link for it on our Wiki page: http://wiki.polycount.com/wiki/PBR