For my first product, the chemical test tubes and test tube rack, I wanted a better way to add wood texture, I found a video and using their nodes went through it.
This tutorial helped me out so much and I can now create realistic looking wood more easily than ever before. I am very thankful for this tutorial, I will be using this node setup for future 3D models. This is the final image, which I also increased the depth of so it looks like it was in the forest:
Game Growth 