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 ...

An curved arrow pointing right. The following is a transcript of the video. These shape-shifting cubes combine to form a picture. Diana Rice makes them using paper and tape. Each one is made of 16 ...