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A dog ear is a folded down corner of a book page. The name refers to the ears of many breeds of domestic dog flapping over. [1] A dog ear can serve as a bookmark. Dog-earing is also commonly used to mark a section or phrase in a book that one finds to be important or of personal meaning.
Kirigami is a variation of origami, the Japanese art of folding paper. In kirigami, the paper is cut as well as being folded, resulting in a three-dimensional design that stands away from the page. Kirigami typically does not use glue.
The paper is folded in front of itself. A dashed and dotted line shows a mountain fold (there may be one or two dots per dash depending on the author). The paper is folded behind itself, this is normally done by turning the paper over, folding a valley fold and then turning the paper back over again. A thin line shows where a previous fold has ...
A paper fortune teller may be constructed by the steps shown in the illustration below: [1] [2] 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.
Modular origami or unit origami is a multi-stage paper folding 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. [3]
A cross fold is when a paper is folded once, then rotated 90 degrees and folded again. The creases therefore cross each other at right angles. The most basic cross fold is the French fold, or right-angle fold. Other examples include the 16-page broadside and the 12-page letter. [2]
Origami paper weighs slightly less than copy paper, making it suitable for a wider range of models. Normal copy paper with weights of 70–90 g/m 2 (19–24 lb) can be used for simple folds, such as the crane and waterbomb. Heavier weight papers of 100 g/m 2 (approx. 25 lb) or more can be wet-folded. This technique allows for a more rounded ...
The term "double fold" refers to the test used by many librarians and preservation administrators to determine the brittleness of paper. The test consists of folding down the corner of a page, then folding it back in the opposite direction. The action is then repeated until the paper breaks or is about to break. The test yields a fold number. [3]