Twitter
Google+Recent posts
Donate
Book
Pythagorean Spiral
29 June 2012 - 8:34pm — SaraFolder:
Diagrams included in the book:
Paper: 1cm by 50cm
Model: width of 5.2cm, height of 3.7cm
This is a fold that constructs consecutive square roots. It's actually a nice exercise for kids learning about the Pythagorean theorem (a^2 + b^2 = c^3 in a right-angled triangle).
Coil Fold 4|30|S (Tomoko Fuse)
29 June 2012 - 8:29pm — SaraDesigner:
Folder:
Paper type:
Diagrams included in the book:
Paper: Parallelogram with side lengths 9.5cm and 26.5cm, angle of 85 degrees; printer paper
Model: diameter of 3.2cm, when pressed flat height of 1.2cm (expanded 9cm)
Braided Paper (J.C. Nolan)
25 June 2012 - 10:56am — SaraDesigner:
Folder:
Paper ratio:
Difficulty Level:
Paper type:
Diagrams included in the book:
Paper: 19.5cm square of translucent paper (7 5/8 in)
Model: 7cm by 7cm square (2 3/4 in)
Pinwheel (Eric Gjerde)
17 June 2012 - 7:30am — SaraDesigner:
Folder:
Model type:
Paper ratio:
Difficulty Level:
Paper type:
Diagrams included in the book:
Paper: hexagon from a 19.5cm square (side length of 9.7cm), translucent paper
Model: side length of 6cm