Yosh,
Been working a lot on this guy, I call it done !
Based on a Concept Art by Adrian Méribault :
https://www.artstation.com/artwork/LqoGw
Also many Thanks to Bruno Jiménez who helped me with Vray renders :)
Feel free to check his works : https://www.artstation.com/rodia
I hope to 3D print it soon :)
Cheers !