3D Geometric Origami Modular Polyhedra - Origami Author:Rona Gurkewitz, Bennet Arnstein Innovative, stimulating and challenging book combines the art of paperfolding with making polyhedra-based models. Projects range from the relatively simple cube and tetrahedron to such mind-boggling fabrications as the double pentagonal pyramid and the truncated hexadecahedron. Instructions and diagrams included.