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By Jun Mitani

Easily Create Origami with Curved Folds and Surfaces

Origami―making shapes basically via folding―reveals a desirable zone of geometry woven with numerous representations. the area of origami has improved dramatically because the creation of laptop courses to accomplish the required computations for origami design.

3D Origami Art provides the layout equipment underlying 3D creations derived from computation. It comprises quite a few photographs and layout drawings referred to as crease styles, that are on hand for obtain at the author’s site. throughout the book’s transparent figures and outlines, readers can simply create geometric 3D constructions out of a suite of traces and curves drawn on a 2nd plane.

The writer makes use of quite a few shapes of sheets corresponding to rectangles and usual polygons, rather than sq. paper, to create the origami. a number of the origami creations have a 3D constitution composed of curved surfaces, and a few of them have complex varieties. in spite of the fact that, the heritage idea underlying the entire creations is especially uncomplicated. the writer indicates how diverse origami types are designed from a standard theory.

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Extra resources for 3D origami art

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The folded creation feels hefty, as most of the sheet is used for densely overlapping pleats. indb 34 Extension of Axisymmetric 3D Origami 5/12/16 12:54 PM Sea Snails When viewed from the front, these three have a regular decagon structure wrapping an identical solid. The pleat size is varied by changing the component arrangement interval on the crease pattern. The varying pleats give a great difference in impression of the finished shape. Pleats varying in length do not affect the central twistclosing structure.

If this is the case, use wood glue to stabilize the shape. Particularly for 3D pleats, gluing is a must to stabilize the ­finished shape because the twist-closing structure cannot be made. For the cylinder type, the sheet needs to be glued at the edge into a cylinder shape. So, you physically add a glue tab on the crease pattern. Axisymmetric 3D Origami 5/12/16 12:53 PM Let’s Make It (1) Eight-Flap Sphere This 3D origami piece looks as if it is embracing a sphere, the simplest solid. To form a cylindrical shape, the sheet needs to be glued at the edge.

A calculator, rulers, and a pair of compasses may do the task, but why not use a computer? With commercially available CG or CAD software, you can make a 3D shape, arrange configuration faces onto a plane, and apply the methods in this book to draw a 3D origami crease pattern. Still, trial and error in design is a tough thing as each step takes time. So, I have written ­several 3D origami design-dedicated software programs myself. For instance, ORI-REVO has been developed for the easy design of the axisymmetric 3D ­origami shapes presented in Chapters 1 and 2.

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