Originally shared by Andres M. Trianon
Rhombicuboctahedron Folding
In geometry, the rhombicuboctahedron, or small rhombicuboctahedron, is an Archimedean solid with eight triangular and eighteen square faces
http://en.wikipedia.org/wiki/Rhombicuboctahedron
http://www.f-lohmueller.de/pov_anim/geometry/RCO_fold_040c_rollup30_90_.gif