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One type of metsubushi was used by police for blowing powdered pepper or dust into the eyes of a suspect. It is described as being a lacquer or brass box with a wide mouthpiece for blowing on, and a hole or pipe on the other end for directing the powder into the eyes of the person being captured. [1]
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.
Crease pattern for a swordsman. A crease pattern (commonly referred to as a CP) [1] 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.
Origami cranes The folding of an Origami crane A group of Japanese schoolchildren dedicate their contribution of Thousand origami cranes at the Sadako Sasaki memorial in Hiroshima. Origami ( 折り紙 , Japanese pronunciation: [oɾiɡami] or [oɾiꜜɡami] , from ori meaning "folding", and kami meaning "paper" ( kami changes to gami due to ...
Shuriken are also known as throwing stars, or ninja stars, although they were originally constructed in many different shapes. The major varieties of shuriken are the bō shuriken ( 棒手裏剣 , stick shuriken) and the hira shuriken ( 平手裏剣 , flat shuriken) or shaken ( 車剣 , wheel shuriken, also read as kurumaken ) .
The Miura fold (ミウラ折り, Miura-ori) is a method of folding a flat surface such as a sheet of paper into a smaller area. The fold is named for its inventor, Japanese astrophysicist Kōryō Miura. [1] The crease patterns of the Miura fold form a tessellation of the surface by parallelograms.
Wet-folding allows the paper to be manipulated more easily, resulting in finished origami models that have a rounder and more sculpted look. Wet-folding is most often used with thicker paper; normal origami paper is very thin and thus prone to tearing when using the wet-folding technique. [2] Yoshizawa believed the process was the most ...
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.