Pureland origami is a style of origami invented by the British paper folder John Smith that is limited to using only mountain and valley folds. The aim of Pureland origami is to make origami easier for inexperienced folders and those who have impaired motor skills. This means that many, but not all, of the more complicated processes that are common in regular origami, are impossible; and so alternative manipulations have been developed to create similar effects.
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Origami is the Japanese art of paper folding. In modern usage, the word "origami" is often used as an inclusive term for all folding practices, regardless of their culture of origin. The goal is to transform a flat square sheet of paper into a finished sculpture through folding and sculpting techniques. Modern origami practitioners generally discourage the use of cuts, glue, or markings on the paper. Origami folders often use the Japanese word kirigami to refer to designs which use cuts.
The Yoshizawa–Randlett system is a diagramming system used to describe the folds of origami models. Many origami books begin with a description of basic origami techniques which are used to construct the models. There are also a number of standard bases which are commonly used as a first step in construction. Models are typically classified as requiring low, intermediate or high skill depending on the complexity of the techniques involved in the construction.
The discipline of origami or paper folding has received a considerable amount of mathematical study. Fields of interest include a given paper model's flat-foldability, and the use of paper folds to solve up-to cubic mathematical equations.
Modular origami or unit origami is a two-stage paperfolding technique in which several, or sometimes many, sheets of paper are first folded into individual modules, or units, and then assembled into an integrated flat shape or three-dimensional structure, usually by inserting flaps into pockets created by the folding process. These insertions create tension or friction that holds the model together.
Fold, folding or foldable may refer to:
Akira Yoshizawa was a Japanese origamist, considered to be the grandmaster of origami. He is credited with raising origami from a craft to a living art. According to his own estimation made in 1989, he created more than 50,000 models, of which only a few hundred designs were presented as diagrams in his 18 books. Yoshizawa acted as an international cultural ambassador for Japan throughout his career. In 1983, Emperor Hirohito awarded him the Order of the Rising Sun, 5th class, one of the highest honors bestowed in Japan.
Nick Robinson is a British paperfolder. He was awarded the Sydney French Medal in 2004 by the British Origami Society and is an Honorary Member and President of the British Origami Society.
Wet-folding is an origami technique developed by Akira Yoshizawa that employs water to dampen the paper so that it can be manipulated more easily. This process adds an element of sculpture to origami, which is otherwise purely geometric. Wet-folding is used very often by professional folders for non-geometric origami, such as animals. Wet-folders usually employ thicker paper than what would usually be used for normal origami, to ensure that the paper does not tear.
The Sonobe module is one of the many units used to build modular origami. The popularity of Sonobe modular origami models derives from the simplicity of folding the modules, the sturdy and easy assembly, and the flexibility of the system.
Satoshi Kamiya is a Japanese origami artist. Kamiya began folding at age two. Kamiya began designing origami models in 1995, and has since published hundreds of creations. Kamiya has drawn inspiration for his designs from Manga, nature, and both eastern and western mythologies.
A bone folder, bonefolder, or folding bone is a dull-edged hand tool used to fold and crease material in crafts such as bookbinding, cardmaking, origami, and other paper crafts that require a sharp crease or fold. The tool was also used when correspondence by letter writing was more formal and an art.
A crease pattern is an origami diagram that consists of all or most of the creases in the final model, rendered into one image. This is useful for diagramming complex and super-complex models, where the model is often not simple enough to diagram efficiently.
Jeremy Shafer is a professional entertainer and origamist based in Berkeley, California. He has been folding origami since he was ten. He creates his own origami designs which tend to be whimsical and unique, such as his "Man Swatter" and "BARF Bag". Shafer is sometimes billed as Jeremy the Juggler, and his stunts include folding a burning origami bird, riding a flaming unicycle, and juggling torches.
OrigamiUSA is the largest origami organization in the United States, with offices located at the American Museum of Natural History in New York City. It was founded in 1980 by Michael Shall, Alice Gray, Lillian Oppenheimer, Robert E. Neale, and others as the Friends of the Origami Center of America and was renamed OrigamiUSA on July 1, 1994. Since its founding, OrigamiUSA has been fully non-profit and volunteer-based and is a 501(c)(3) corporation. OrigamiUSA organizes the largest origami convention in the world each June in New York City, and in addition publishes a magazine, The Paper, an annual collection of origami diagrams, and a website, and also provides educational materials and supports numerous other activities that spread the art of origami.
The napkin folding problem is a problem in geometry and the mathematics of paper folding that explores whether folding a square or a rectangular napkin can increase its perimeter. The problem is known under several names, including the Margulis napkin problem, suggesting it is due to Grigory Margulis, and the Arnold's rouble problem referring to Vladimir Arnold and the folding of a Russian ruble bank note. Some versions of the problem were solved by Robert J. Lang, Svetlana Krat, Alexey S. Tarasov, and Ivan Yaschenko. One form of the problem remains open.
Ligia Montoya was an Argentinian paper-folding artist, who played an important role in all aspects of the 'golden age' of the international origami movement from the 1950s, from which developed modern artistic origami—that is, innovative paper-folding exploring a variety of different approaches, rather than repeating limited traditional figures.
Samuel L Randlett is an American origami artist who helped develop the modern system for diagramming origami folds. Together with Robert Harbin he developed the notation introduced by Akira Yoshizawa to form what is now called the Yoshizawa-Randlett system. This was first described in Samuel Randlett's Art of Origami in 1961.
Ilan Garibi is an Israeli origami artist and designer. He started his way in the world of art and design as a paper origami artist, and today also designs furniture, jewelry and works of art out of a variety of materials, such as metals, wood, and glass. He masters an origami genre called Tessellation. During 2012 he co-established Origamisrael, the Israeli origami artists' organization, and he is its chairman ever since. He is an author of several books in the fields of origami and puzzles. In September 2019, Garibi presented a TEDx talk as part of TEDxPaloAltoSalon.
Origami Polyhedra Design is a book on origami designs for constructing polyhedra. It was written by origami artist and mathematician John Montroll, and published in 2009 by A K Peters.