Space Marine Head from W40K universe.
V0.5
PBR Metalness workflow with custom F0 maps for better dielectrics reflectance control. No Sculpt, no cage projection. Painting and flat baking only. Skin Only for now.
V0.75
Now fully textured. New skin details. Enjoy.
V1.0
Now with animation! This is my first animated model on Sketchfab. Works really fine.
See the full project on Artstation : https://www.artstation.com/artwork/rOOaL