These are some of the materials i created in octane (c4d) as a practice about 15 material you can download the pack from down below, I have also added materials like dirt and rust which you can use them to create different materials by mixing them .
S p e c i a l t h a n k s t o
Quixel team for their amazing shader ball that i used
Grant Warwick for his shader ball which is included in the c4d scene
i have also included the corona shader ball from corona-materials.de
i also included a modified quixel shader ball with octane logo on it if you want to use it
also big thanks to www.threedscans.com for the awesome dog scan that i used as a testing object
www.texturelib.com for their textures
www.hdrlabs.com for their HDRI
Have Fun learning and creating materials .