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The Fold articles posted by thomas.hull

These are articles posted by The Fold editor thomas.hull (who may or may not be the author; see byline for authorship). The Fold is the online magazine for members of OrigamiUSA. New articles are posted continuously over the two month period of each issue. To contribute to The Fold or for other questions, please see our FAQ.
by Charlene Morrow
OrigamiUSA Board member and educator Charlene Morrow reviews a book by Tung Ken Lam and Sue Pope, two experienced British teachers of origami and mathematics.
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by Thomas Hull
Several variations on a hexagon-based, iso-area, geometric collapse method are shown. Some of these were taught at the 2013 OrigamiUSA Annual Convention in New York City.
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Thomas Hull
Tom Hull describes the 2012 Autumn convention of the British Origami Society, which took place on Sept. 7-9 in Liverpool, UK.
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Meenakshi Mukerji
30 pieces of paper are folded to make a modular version of the Compound of Five Octahedra model.
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Thomas Hull
This wave model is fun to fold and has a lot of math in it!
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by Tom Hull
Learn some of the history of origami geometry, as well as the story of Margherita Liazzolla Beloch, the first origami mathematician!
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by Tom Hull
A summary of Bern & Hayes' proof that flat-foldability in origami is computationally hard!
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by Arnold Tubis and Crystal E. Mills
A method for making four-compartment side–to–side or corner–to–corner divider inserts for prism-shape containers with square faces is generalized so as to produce n equal compartments of specified height for a container with an n–sided regular-polygon face.
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With many tessellations, the obvious way to design the crease pattern doesn't necessarily result in a foldable pattern. By adding extra creases to the pattern, you can sometimes find an alternate way to the finished form, as you'll see in this geometric pattern.
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Thomas Hull
The names Maekawa and Kawasaki are known to origamists as great origami creators. But did you know they have Theorems named after them too? And so does the French paper folder Jacques Justin. See what these Theorems are all about. Warning: Math ahead!
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Tom Hull
Every time you fold paper, your fingers are doing calculus. Read more to learn how smart your fingers are!
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by Tom Hull
The origami wind spinner is a traditional, if somewhat obscure model of repeated pleat folds. We ask ourselves, "What kind of shapes can paper form with these simple pleats?" and, "How much can we make a square piece of paper rotate with this pleating scheme?" The answers are surprising and fun!
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by Tom Hull
Learn how to fold Molly Kahn's 3-unit modular Hexahedron and marvel at the multitude of math manifested around this model!