Variable Roughness: The Key to More Believable Materials using Layer Weight.

00:00 Introduction 00:48 Real world examples 02:28 Part 1, the theory 08:18 Part 2, interactive demonstration 09:14 Part 3, Layer Weight / RGB Curves nodes 14:12 Part 4, rendered examples 16:41 Part 5, metals #principledbsdf #roughness #layerweight #rgbcurves