There are two Two Frequency Figures, the Cuboctaheron and the Icosadodecahedron. Each one can be made in two different ways.
The Cuboctahedron can be created by bisecting the segments of either a hexahedron or an octahedron. Line segments are drawn from the midpoints of each line to the midpoint of an ajacent line. The resulting shape is a Cuboctahedron.