Here is a set of fully procedural materials imitating wood from inside to outside. Designed with SD 2019 (but including also 2018 version if you need to use it). The goal was to have a full visual description of wood logs that allows freely blend between layers within a program like Substance Painter for example.
Added .sbsar file for SP
For personal use and one commercial project (up to 2,000 sales or 20,000 views).Tutorials
One copy to be used by a single user.Installable Tools
One installation by a single user.Learn More
For use on an unlimited number of commercial projects with no limits on sales or views.Learn More