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Froebel stars as part of Christmas decoration. A Froebel star (German: Fröbelstern) is a Christmas decoration made of paper, common in Germany. [1] In English it does not have a commonly recognised name; it can be referred to as an Advent star, Danish star, German star, Nordic star, Pennsylvanian star, Polish star, Swedish star, Christmas star, or Froebel star. [2]
Kōshō Uchiyama – Sōtō priest, origami master, and abbot of Antai-ji near Kyoto, Japan, and author of more than twenty books on Zen Buddhism and origami Miguel de Unamuno – Spanish essayist, novelist, poet, playwright and philosopher who devised many new models and popularized origami in Spain and South America.
If we denote the acyclic chromatic number of a graph G by , we have that () , and in fact every star coloring of G is an acyclic coloring. The star chromatic number has been proved to be bounded on every proper minor closed class by Nešetřil & Ossona de Mendez (2003). This results was further generalized by Nešetřil & Ossona ...
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]
Origami paper and a traditional origami crane. Origami paper is the paper used for origami, the art of Japanese paper folding.The only real requirement of the folding medium is that it must be able to hold a crease, but should ideally also be thinner than regular paper for convenience when multiple folds over the same small paper area are required (e.g. such as would be the case if creating an ...
She has organized several crowd-sourced origami projects built from tens of thousands of business cards involving hundred of volunteers for each project. She is also known for her minimalist origami designs (such as her fourfold alphabet), curved crease models, and her invention of "or-egg-ami" models made from egg cartons.
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.
The Miura fold is a form of rigid origami, meaning that the fold can be carried out by a continuous motion in which, at each step, each parallelogram is completely flat. This property allows it to be used to fold surfaces made of rigid materials, making it distinct from the Kresling fold and Yoshimura fold which cannot be rigidly folded and ...