3D origami art by Jun Mitani

By Jun Mitani

Easily Create Origami with Curved Folds and Surfaces

Origami―making shapes merely via folding―reveals a desirable zone of geometry woven with numerous representations. the realm of origami has improved dramatically because the introduction of laptop courses to accomplish the mandatory computations for origami design.

3D Origami Art offers the layout tools underlying 3D creations derived from computation. It contains a number of images and layout drawings known as crease styles, that are on hand for obtain at the author’s web site. during the book’s transparent figures and outlines, readers can simply create geometric 3D buildings out of a collection of strains and curves drawn on a 2nd plane.

The writer makes use of a number of shapes of sheets akin to rectangles and average 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 advanced types. even if, the historical past concept underlying all of the creations is especially uncomplicated. the writer exhibits how assorted origami varieties are designed from a standard theory.

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Indb 36 5/12/16 12:54 PM Chapter 3 Connecting Axisymmetric 3D Origami Shapes F or the cone-type axisymmetric 3D origami, the crease pattern inscribes in a regular polygon and the folded shape also has its bottom inscribed in a regular polygon. So, by connecting multiple crease patterns, you can make a state of multiple connected solids from one sheet. 1. The cone type can be connected horizontally to tile on a plane, regardless of whether the pleat shape is flat or 3D. ” The 3D-pleat type is easier to handle because it is symmetric both on the folded shape and the crease pattern.

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. The software screen is structured as shown. You draw a polygonal line to make the cross section, and then the software automatically renders the finished image and the crease pattern. , pleat size, number of circumferential segments) and saving the crease pattern to a file. At this writing, ORI-REVO is downloadable free from the following URL.

Indb 7 7 5/12/16 12:53 PM a b b mountains because the projections should be on the outer surface. 17 Layout of fold lines for making projections on 3D-pleat cylinder type. also place the new point so as to divide the middle horizontal line and the bottom side at the above-mentioned ratio. 16c. A mountain fold line (solid) makes a convex when viewed from outside and a valley fold line (dashed) a concave. 18a. However, a paper shape in this state is unstable and needs gluing to prevent it from opening up.

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