Some models of polyhedra: the biggest ones are a uniform polyhedron of type (5,6,6) and a uniform polyhedron of type (4,6,8).
From the exhibition Matemática viva, Lisbon, 2000.
The image belongs to the sections...:
From the exhibition "Matemática viva", Lisbona, 2000 (Other exhibitions around the world)
Uniform polyhedra and their duals (3D geometry)