[Trapezo-rhombic dodecahedron](https://en.wikipedia.org/wiki/Trapezo-rhombic_dodecahedron). Blender 2.78. Baked textures included. Produced by turning the lower half of [rhombic dodecahedron](https://en.wikipedia.org/wiki/Rhombic_dodecahedron) on 60 degrees. More trapezo-rhombic dodecahedra: [honeycomb](https://skfb.ly/USYp).