The shape of a rectangular prism in (d+1)-dimensions is defined as Y=(Y1,Y2,⋯ ,Yd), Yn=Ln/Ln+1 where the Ln are the prism's edge lengths, in ascending order. We investigate shape distributions that ...

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 ...