First sketch, for the project, I get my inspiration from "Perseus with the Head of Medusa", a statue build by Benvenuto Cellini​​​​​​​.

Line work and vectorisation on Illustrator.

Adding some shades and highlights

Trying some concepts, looks like the last one we'll be the final version...

Final concept !

I'd love to see that on a shirt 

Thanks for watching ! Feel free to leave a comment to help me to improve :)