Collaboration project, concept from Michael Kingery over at https://www.artstation.com/kingery
This version is all procedural textures, as a next step will optimize it a bit for UV unwrap and take it into SubstancePainter for some PBR.
Other shots can be viewed here: https://www.artstation.com/artwork/0qNdY
wow, I really love it, it's original :)