Axisymmetric 3D Origami Four Basic Types Basic Crease Patterns Flat-Pleat Cone Type Flat-Pleat Cylinder Type 3D-Pleat Cone Type 3D-Pleat Cylinder Type "Twist Closing" for Closing a Solid Solid with Curved Surfaces Stabilizing a Shape Extension of Axisymmetric 3D Origami Connecting Two 3D Origami Shapes (Cylinder Type) Connecting Different 3D Origami Shapes (Cylinder Type) Connecting Different 3D Origami Shapes (Cone Type) Changing Pleat Orientation (Flat-Pleat Type) Resizing Pleats (Cylinder Type) Connecting Axisymmetric 3D Origami Shapes Connecting and Tiling 3D-Pleat Type on a Plane Connecting Flat-Pleat Type Connecting Different 3D Origami Shapes Making Use of Duality Layering Dual Patterns Making Use of Mirror Inversion Cone-Based 3D Origami Mirror Inversion on a Developable Surface Specifying Mirror Planes by a Polygonal Line Relation between Sweep Locus and Shape Various Shapes Application of Mirror Inversion Curved Fold Units Combined Together Inversion by Oblique Mirror Plane Voronoi Origami Tiling with Different Polygons Origami by Voronoi Tiling Various Origami Designs Conclusion Origami Design Techniques Rigid Origami Curved Folds and Curved Origami Computational Origami Origami with Thick Materials Robots and Origami Relation between Living Things and Origami Origami and Mathematics Origami and Education Application of Origami to Industry Others Index.