Buy it on etsy here

Also known as Escher's Solid
http://mathworld.wolfram.com/EschersSolid.html
http://www.georgehart.com/virtual-polyhedra/escher.html

It is also called First stellation of rhombic dodecahedron
https://en.wikipedia.org/wiki/First_stellation_of_rhombic_dodecahedron
Lets tessellate! https://youtu.be/Qg6BwvDcANg