@kay-vonlanthen - PBR stands for Physically Based Rendering. Next gen game engines like Unreal Engine 4 use this kind of rendering system. Here is a good explanation of the idea. https://www.marmoset.co/toolbag/learn/pbr-theory @_Kratos_ - Glad you like it so far, more to come. :) @iangoold3d - Thanks man. Small Update :…