Mathematical Origami: Geometrical Shapes by Paper FoldingOrigami is the art of paper folding without the use of either scissors or glue. Each of the beautiful and fundamental mathematical shapes described in this book is achieved by folding sheets of standard A4 paper. It is remarkable what can been done and David Mitchell gives clear step by step instructions for each. He has gathered together a most impressive collection which will amaze and interest mathematics teachers and other admirers of pure geometrical forms. Included: cube columbus cube tetrahedron icosahedron octahedron skeletal octahedron skeletal cuboctahedron skeletal cube rhombic dodecahedron rhombic pyramid rhombic tetrahedron rotating rhombic tetrahedron rhombic star dodecahedron outline dodecahedron transformation |
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A4 paper assembled centre circled point Columbus Cubes complete the model corners crease the paper creases cross curling the flap Decorative Rhombic Dodecahedron diagram Dodecahedron Rhombic Pyramid flaps away inside flatten fold must pass folding instructions Four Rhombic glue identical rhomb inside the model inside the shaded interpenetrating last module left hand edge lock their upper loose pyramid mirror image module model by curling model will collapse modular origami modules at front Outline Dodecahedron paper are required paper inside Paper size paperfolding pass exactly Pyramid Rhombic Tetrahedron rectangle refold Rhombic Dodecahedron Rhombic Rhombic Pyramid Rhombic Rhombic Star Ring of Rotating Rotating Rhombic Tetrahedra second module holds shaded area sheet to step sheets of A4 six modules Six sheets Skeletal Cuboctahedron Skeletal Octahedron Skeletal Polyhedra sliding the flap Squash step 9 sub-assemblies Tetrahedron Icosahedron three remaining modules turn the paper underlying cube underlying skeletal cube Waterbomb Base written instructions