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# Origami Spirals (Origami Wonderland 2)

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 Fuse, Tomoko Origami Spirals (Origami Wonderland 2) Publisher: Chikuma Shobo 1995, 78 pages, softcover Japanese. ISBN: 4480872620 布施, 知子 折り紙スパイラル （折り紙ワンダーランド２） origami supairaru Print Status: Out of Print

Includes 8 pages of glossy photos of the models, with black and white diagrams with grey shading and black and white photos of each model.

This book is somewhat more mathematically inclined than the previous Spirals book. In particular, the section on building spiral-based "dividers" for various regular solids will be of interest to those who enjoy exploring the underlying geometry of origami spirals.

Most of the models are 3-D, and some are rather abstract and hence a bit difficult to describe here. I haven't listed the number of steps for the various models since there is a lot of repeat folding within each model, multiple units involved, etc., and it would just take too long to get an accurate estimate of the number of folds! If not specified, the creator is FUSE Tomoko.

 Model Creator/Diagrammer Notes Hokusai's Wave Alex Ratner square paper; creates a 3-D spiral-crested wave shape Koala Simon Anderson rectangle; an abstract koala Spiral Decoration 1 square; 4 units; from a square base, spirals up to a 3-D shape Spiral Decoration 2 triangle (half a square); 4 units; similar to 1, with a steeper spiral angle Spiral Decoration 3 triangle (half a square); 3 units; like 1, but from a triangular base Spiral Decoration 4 triangle (half a square); 5 units; a tree-like (sort of conical) spiral Spiral "quadrille" 1 1:5 rectangle; needs 2 types of units - 6 of one, 12 of the second; creates a solid body with 6 square faces and 8 triangular faces, with DNA-like shapes on the square faces Spiral "quadrille" 2 similar to 1, but with a spiral "mountain" on the square faces "Rotation 45 - A" H. Azuma square; 4-sides flat star, multiples of which next to make layers with the points rotated 45 degrees from the previous layer "Rotation 45 - B" H. Azuma square; like A, but with snow-crystal-like points "Rotation 22.5" H. Azuma square; like A, but with each layer rotated 22.5 degrees "Rotation 30" H. Azuma square; like A, but with each layer rotated 22.5 degrees Butterly Stopped on a Leaf square; a butterfly resting on a lily-pad-like leaf Butterfly Stopped on a Leaf 2 square Elephant square; face and tusks Bivalve square Spiral Shell 1 square; 3-D, square-based spiral; variations can make a pagoda and a Thai dancer's hat Spiral Shell 2 square; square-based spiral, tighter shell than 1 Spiral Shell 3 square; triangle-based spiral Spiral Shell 4 square; 6-sided spiral shell Triangular "stinger" (I'm a little unsure on this translation. It's a spiral pointy thing, anyway.) "Stinger" (4 spiral pointy things out of one sheet) Petal modular unit; varying lengths create different solids with triangular faces 4-sided pyramid, divider A, B The divider is a "staircase" like zig-zag thing based in spiral progressions 4-sided pyramid, dividers C, D more complicated dividers 4-sided pyramid, spirals inside 8-faced solids and dividers 20-faced solids and dividers Angkhor Wat or Tower of Babel MAEKAWA Jun 1 sheet; 3-D tower of progressively smaller rings of angled indentations Infinite Rabbit-Ear Folding Ernst Blauenstein Tower based in the above Other variations of the above Archimedes' Spiral Ernst Blauenstein Ammonite Fossil MAEKAWA Jun