A pack of stylized wood smart materials that I made for Substance Painter.
You can get it here; https://alchemiciron.com/store/jjy6/stylized-wood-smart-materials
It has fewer materials than the last two, but the wood grain added a hell of a lot of extra complexity. It took a while to get it to look good. Especially the spiraling knots.
I made a full-on Substance inside Designer to do the majority of heavy lifting.