There are five platonic solids, the tetrahedron, cube, octahedron, dodecahedron and icosahedron. A prism is a 3D shape with a constant polygon shaped cross-section. A prism is named by the shape ...

From left to right: a tetrahedron, triangular bipyramid, octahedron, pentagonal bipyramid, triangular prism, rectangular prism, pentagonal and hexagonal prisms ...