16-cell
>
In geometry, the 16-cell is the regular convex 4-polytope with Schläfli symbol {3,3,4}. It is one of the six regular convex 4-polytopes first described by the Swiss mathematician Ludwig Schläfli in the mid-19th century. It is also called C₁₆,... Wikipedia
Cells: 16
Coxeter group: B4,, order 384; D4, order 192
Edges: 24
Faces: 32
Petrie polygon: octagon
Vertex figure: Octahedron
Vertices: 8