Episode 03 of Introduction to Redshift for VFX, is already available on my Patreon feedhttps://www.patreon.com/elephantvfx.
It is all about surfacing shading and the video is something around 4.5 hours.
These are the topics of this episode.
Redshift uber shader
Sub surface scattering solutions
Normal maps, bumps and displacements
Zbrush and Mari displacements
Substance Painter workflow
Shading user attributes
Check it out on my Patreon page.