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Mathematics of paper folding. Map folding for a 2×2 grid of squares: there are eight different ways to fold such a map along its creases. 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 (whether the model can be flattened ...
Rigid origami is a branch of origami which is concerned with folding structures using flat rigid sheets joined by hinges. That is, unlike in traditional origami, the panels of the paper cannot be bent during the folding process; they must remain flat at all times, and the paper only folded along its hinges. A rigid origami model would still be ...
Kawasaki's theorem or Kawasaki–Justin theorem is a theorem in the mathematics of paper folding that describes the crease patterns with a single vertex that may be folded to form a flat figure. It states that the pattern is flat-foldable if and only if alternatingly adding and subtracting the angles of consecutive folds around the vertex gives ...
Chinese paper folding. Chinese paper folding, or zhezhi (摺紙), is the art of paper folding that originated in medieval China. The work of 20th-century Japanese paper artist Akira Yoshizawa widely popularized the Japanese word origami; however, in China and other Chinese-speaking areas, the art is referred to by the Chinese name, zhezhi.
Fold the bottom up about ¼" and crease it down. Flip the paper over and fold all the way to the top until you create an accordion. Fold the accordion-folded paper in half and attach the two ...
In general, "base" refers to any folded paper that immediately precedes final folding and shaping of the model-to-be. The ones listed below are generally accepted as the traditional origami bases. A blintz base is made by folding the corners of a square into the center, similar to the blintz pancake. The resulting square can then be used as the ...
Origami - Wikipedia ... Origami
The regular paperfolding sequence corresponds to folding a strip of paper consistently in the same direction. If we allow the direction of the fold to vary at each step we obtain a more general class of sequences. Given a binary sequence ( fi ), we can define a general paperfolding sequence with folding instructions ( fi ).
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