This is the hard surface practice from the book "Beginner's guide to ZBrush".
Thanks to
https://www.artstation.com/carstenstueben
for this amazing step by step guide on making this little robot called Nosy-N-42.
Modeled and rendered in ZBrush, post-production in Photoshop thanks to the "Zbrush to Photoshop" plugin.
Turnaround video edited in Blender.