Folder: Grzegorz Bubniak Folding method: card folding method Photo: Grzegorz Bubniak Diagrams:Here CP: Description: Soma Cube is a three-dimmensional puzzle invented by Piet Hein. I used card folding method to fold the elements of Soma Cube. The goal of this puzzle is to assemble elements into a cube. This is fairly easy, however there are many more challenging figures that can be assembled from these elements. Quite sizeable list of figures can be found on this site.