If a rectangular loaf of bread was cut into slices, the shape and size of each slice would be the same. The loaf is very close to being a prism.

A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...

Archimedean Solids, Prisms, and Antiprisms American History Museum The term semiregular is used to describe polyhedra that are uniform but not regular. The semiregular convex polyhedra include ...