I was watching this great class and decide to make some concept. I have been around zbrush some years ago and i know some concepts and techniques but a like to learn everyday about zbrush and all the proceces behind the concept art. 

Here all of my references: 

And here some renders that i made: 

Turntable: And if you wanna see a little bit more of my artworks so this is my Artstation profile: www.artstation.com/ramonsculpt

Thank you all!