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A folding screen, also known as pingfeng (Chinese: 屏風; pinyin: píngfēng), is a type of free-standing furniture consisting of several frames or panels, which are often connected by hinges or by other means. They have practical and decorative uses, and can be made in a variety of designs with different kinds of materials.
A flexible display or rollable display is an electronic visual display which is flexible in nature, as opposed to the traditional flat screen displays used in most electronic devices. [1] In recent years there has been a growing interest from numerous consumer electronics manufacturers to apply this display technology in e-readers , mobile ...
Chinese paper folding, or zhezhi , 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 .
Decorative folding is an artistic type of folding similar to origami but applied to fabrics instead of paper. Some types of objects that can be folded are napkins , towels , and handkerchiefs . Folding can be done as a hobby or an art but is most commonly encountered as a decoration in luxury hotels (towels) or fancy restaurants (napkins). [ 1 ]
A concertina fold, also known as a zig-zag fold, accordion fold or z-fold, is a continuous parallel folding of brochures and similar printed material in an accordion-like fashion, that is with folds alternatively made to the front and back in zig-zag folds. Because they do not nest (as in Letter Folds) panels can be the same size.
Certain paper-folding problems do not have efficient algorithms. Computational intractability results show that there are no such polynomial-time algorithms that currently exist to solve certain folding problems. For example, it is NP-hard to evaluate whether a given crease pattern folds into any flat origami. [47]
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