cuboctahedron
A cuboctahedron is one of the 13 Archimedean solids.
It is a polyhedron with 8 triangular faces and 6 square faces. A cuboctahedron has 12 identical vertices, with 2 triangles and 2 squares meeting at each, and 24 identical edges, each separating a triangle from a square.
The Schlegel diagram of a cuboctahedron tepresents it as a planar graph
