The Pyramid-Excavated Icosidodecahedron, and Its Interesting Dual

Excavated Icosidodecahedron

To make this, I used the excavation-function of Stella 4d, set to remove pyramids with equal edge length from each face of an icosidodecahedron. You can try this program here.

The dual of this polyhedron is shown below.

Excavated Icosidodecahedron dual