3D printable STL file is free downloadable on Printables: https://www.printables.com/model/549720-wolf-head-sculpture

What you can get here is the native blender file, and alpha images being used to make brush for hair sculpting.

File list:

• AlphaPackedSample.blend -The native wolf head mesh (contains 926,932 faces) with brush alphas packed together;
• alphas.zip - 9 alpha images (4 mirrored pairs + 1) to be applied in modeling softweres by yourself. To know how to apply alpha textures in Blender, see https://www.youtube.com/watch?v=JJtNfDKHzmo (not my video).
• WolfHead.stl - The STL file ready for 3D printing;