The Dodecagonal Duoprism

12-duoprism

There are objects in hyperspace known as duoprisms, which have prismatic cells. This one’s cells are 24 dodecagonal prisms. It was made using Stella 4d, available here.

Polyhedron with 122 Faces

122-faces-total-60-trapezoids-30-rhombi-12-pentagons-and-20-triangles

The faces of this polyhedron are 12 regular pentagons, 20 equilateral triangles, 30 rhombi, and 60 almost-square trapezoids. I created it with Stella 4d, which is available at this website.