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Jumping frog. Action toys include birds or butterflies with flapping wings, beaks that peck, and frogs that hop, [1] as well as popular traditional models like the fortune teller. Paper poppers or bangers are models that make a noise when flicked down hard. Some action origami is designed to accompany a story whilst it is built.
The corners of a sheet of paper are folded up to meet the opposite sides and (if the paper is not already square) the top is cut off, making a square sheet with diagonal creases. [1] The four corners of the square are folded into the center, forming a shape known in origami terminology as a blintz base or cushion fold. [2]
A life net, also known as a Browder Life Safety Net or jumping sheet, [1] is a type of rescue equipment formerly used by firefighters. When used in the proper conditions, it allowed people on upper floors of burning buildings an opportunity to jump to safety, usually to ground level.
The origami crane diagram, using the Yoshizawa–Randlett system. 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.
He could spend as much as years working out the plans for one of his original origami pieces, with a single piece created over a period of days or weeks, involving hundreds of precisely planned and executed folds to sheets of paper that could measure to as much as 15 feet (4.6 m) by 25 feet (7.6 m) to create figures that ranged from the size of ...
Origami tessellation is a branch that has grown in popularity after 2000. A tessellation is a collection of figures filling a plane with no gaps or overlaps. In origami tessellations, pleats are used to connect molecules such as twist folds together in a repeating fashion.
It is not certain when play-made paper models, now commonly known as origami, began in Japan. However, the kozuka of a Japanese sword made by Gotō Eijō (後藤栄乗) between the end of the 1500s and the beginning of the 1600s was decorated with a picture of a crane made of origami, and it is believed that origami for play existed by the Sengoku period or the early Edo period.
Geometric Origami is a book on the mathematics of paper folding, focusing on the ability to simulate and extend classical straightedge and compass constructions using origami. It was written by Austrian mathematician Robert Geretschläger [ de ] and published by Arbelos Publishing (Shipley, UK) in 2008.