A 3D shape with regular polygonal faces, meeting at equal angles, is a platonic solid. There are five platonic solids, the tetrahedron, cube, octahedron, dodecahedron and icosahedron. A prism is a ...

Both cube-like SMARTLETs and SMARTLETs with a truncated octahedron shape can be assembled into multi-part superstructures. Credit must be given to the creator. Only noncommercial uses of the work ...