This material was inspired by the one from caponeart (https://www.artstation.com/artwork/rRl60J). I was searching for a stylized material I could recreate, and this one seemed perfect. I love how with only a few basic shapes it creates such an interesting pattern.
Find it on Marketplace : https://www.artstation.com/a/20383763
Check out the process : https://youtu.be/2bO3LYXqtaU

Ref | caponeart Material (https://www.artstation.com/artwork/rRl60J)