Have a look at Arvid Schneider’s dive into how to layer multiple materials for added realism.
Arvid Schneider is doing a fantastic job with his Arnold tutorials, demo’s and live-streams. If you are looking to learn more about working with Solid Angle’s Arnold renderer, then Arvid’s tuts are a great place to do so. His latest looks into using Substance Designer for creating realistic materials and then bring those materials over to Arnold with little to no change in look.
Part one has a look into how Arvid works with Allegorithmic’s procedural texturing tool, Substance Designer. Schneider has some nice tips while showing his workflow for starting projects in SD, and how to layer multiple materials through procedural masking.