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Synopsis
Step-by-step instructions and clearly detailed diagrams enable origamists to build over 35 different polyhedra from origami units. Fascinating models range from relatively simple modular cubes and a stellated octahedron to more advanced two-piece modules, a gyroscope, and a 14-sided cuboctahedron.
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Corrections & comments
The picture of Magic Cube #9 on p. 58 is not correct, and is a duplicate of the picture of Magic Cube #8. The correct picture of Magic Cube #9 will eventually appear on Rona Gurkewitz's web page.On p. 50, fifth paragraph from the top, the last sentence should read "Every module is part of two 6-sided rings and also part of one 4-sided ring at the eight polar modules or one 5-sided ring at all other modules between the poles."An interesting spinning toy can be made from the Jim Plank 60-degree module on p. 43, which takes advantage of the fact that the 60-degree approximation is slightly less than 60 degrees. The toy is a double 6-sided pyramid and is shaped like a lens, or flying saucer. Six modules meet at the north pole & south pole, and four modules meet at each of the six corners around the equator. This was discovered by Joe Hamamoto of Gardena, CA, who also discovered that the icosahedron made from 30 60-degree modules can be made using 10 different colors, each color forming a 3-module band around the icosahedron.Francis Ow has an interesting 60-degree module called a "Y-module" on his web page. It is folded from a square and exposes both sides of the paper, which creates a colorful pattern when folded from paper with different colors on each side. The structure of the module is identical to the the exact 60-degree module folded from a half-square on p. 44.The wreath on the front cover is made from the cube on p. 25, using 14 cubes. The minimum number of cubes that can make a wreath is 12. The 12-cube wreath is stiffer than the 14-cube wreath.Other shapes can be linked to form a chain or a wreath. A wreath can be made from 10 linked truncated octahedrons, described in the second paragraph from the top on p. 50.
The picture of Magic Cube #9 on p. 58 is not correct, and is a duplicate of the picture of Magic Cube #8. The correct picture of Magic Cube #9 will eventually appear on Rona Gurkewitz's web page.On p. 50, fifth paragraph from the top, the last sentence should read "Every module is part of two 6-sided rings and also part of one 4-sided ring at the eight polar modules or one 5-sided ring at all other modules between the poles."An interesting spinning toy can be made from the Jim Plank 60-degree module on p. 43, which takes advantage of the fact that the 60-degree approximation is slightly less than 60 degrees. The toy is a double 6-sided pyramid and is shaped like a lens, or flying saucer. Six modules meet at the north pole & south pole, and four modules meet at each of the six corners around the equator. This was discovered by Joe Hamamoto of Gardena, CA, who also discovered that the icosahedron made from 30 60-degree modules can be made using 10 different colors, each color forming a 3-module band around the icosahedron.Francis Ow has an interesting 60-degree module called a "Y-module" on his web page. It is folded from a square and exposes both sides of the paper, which creates a colorful pattern when folded from paper with different colors on each side. The structure of the module is identical to the the exact 60-degree module folded from a half-square on p. 44.The wreath on the front cover is made from the cube on p. 25, using 14 cubes. The minimum number of cubes that can make a wreath is 12. The 12-cube wreath is stiffer than the 14-cube wreath.Other shapes can be linked to form a chain or a wreath. A wreath can be made from 10 linked truncated octahedrons, described in the second paragraph from the top on p. 50.
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Customer Reviews
Most Helpful Customer Reviews
Format:Paperback
It does what it says on the cover and my son has managed to follow the instructions easily, I however find the inside of the book quite dull as it is all in black and white.
Most Helpful Customer Reviews on Amazon.com (beta)
Amazon.com:
6 reviews
27 of 28 people found the following review helpful
Knifty models confusingly presented
9 Oct 2000
Format:Paperback
That rating is really 3 1/2 stars, because the book is better than just average. It may look slim, but it's chock-full of several models in each of many families of modules. Not hours, but weeks of fun (not to mention a lot of paper squares).
The problem is the presentation. Many models are hard to follow, especially when trying to put them together; more than once, I had to refer to another book to figure out what to do. Some diagrams are confusing, if not outright wrong (3-dimensional pictures are especially prone to this). Occasionally instructions are alluded to (e.g., in captions) that aren't there. There's a complete absence of cross-references between illustrative photos and instructions for folding them.
In short, a frustrating book. If the good parts weren't so good, it wouldn't be quite so frustrating.
12 of 14 people found the following review helpful
Terrible...even for an experienced folder
12 Jun 2005
Format:Paperback
I have been doing origami for about 10 years, and have had great success with modular origami (mostly from "Unit Origami" by Tomoko Fuse). This book has diagrams that are hard to understand, the colored side of the paper is not even marked so it's very difficult to know if you are folding correctly. There are no written instructions, only the bad diagrams and I could not make a single model from this book. Even the few photos of the completed models were in black and white and not very good photos at all. I would recommend Fuse's book or another modular origami book with better diagrams. For those that have had success with models from this book, congratulations, but even with my usual vast amount of patience it did not take long for me to throw this book across the room in frustration. However, I will say that the models are very unique and beatiful and if you can do them, they should be very satisfying. I am copying this same review for "3-d Geometric Origami" by Gurkewitz and Arnstein, for I felt the same was true of that book.
17 of 21 people found the following review helpful
Beautiful Models for Expert Folders
30 Mar 2000
Format:Paperback
This book bursts with stunning models of various polyhedra. The directions, and models, are harder than in "Modelar Origami Polyhedra." The book opens with a nicely detailed section of polyhedra facts, including the numbers of edges, corders, face shapes and category of each shape, along with a definition of Platonic solids. For the non-mathematician, this information provides a nice grounding in polyhedra. The directions for each module are complicated yet clear. Occasionally the lack of color in the book proves a bit frustrating, but patience and double-checking can bypass that nitpicky problem. The one thing this book does not provide is guidance about connecting all of the modules. That is when authorial reassurance is most required! Nevertheless, this book will provide hours of pleasure for those with patience and nimble fingers.
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