In this video I create a full tutorial of my process while designing this art and also turning it into a T-shirt Mockup.
Mockup: https://sustacheart.gumroad.com/l/rbptpb?layout=profile
If you'd like to see more of my content:
IG: sustache.art
Gumroad: https://sustacheart.gumroad.com/
Mockup: https://sustacheart.gumroad.com/l/rbptpb?layout=profile