Dissection of an Obtuse and an Acute Golden Rhombohedron into a Rectangular Solid
This Demonstration shows a dissection of an obtuse golden rhombohedron of volume and an acute golden rhombohedron of volume into a rectangular solid of dimensions , where is the golden ratio.
 I. Hafner and M. Budin, "Dissection of Cubes and Golden Rhombic Solids," in Aproged's 5th International Conference, Geometrias '19: Polyhedra and Beyond, Porto, Portugal (V. Viana, ed.), Porto: Aproged, 2019 pp. 91–93. www.aproged.pt/geometrias19proceedings.html.