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Lang's mathematical approach to origami involves understanding the geometry of the paper and the folds that can be used to create different shapes. He uses techniques such as tessellations, where a pattern of shapes is repeated to cover a surface, and kirigami, a variation of origami that involves cutting the paper as well as folding it. By applying mathematical principles to origami, Lang has been able to create incredibly intricate designs, from delicate insects to majestic animals.

If you only learn one concept from Lang’s work, it is the .

Traditional origami relied on "discovery." Masters would manipulate paper through trial and error, stumbling upon beautiful forms. If an artist wanted to create a new model, they had to modify an existing base, such as the bird base or frog base. These traditional bases had severe limitations, particularly regarding the number of appendages (flaps) they could produce.

In the popular imagination, origami is a childhood pastime: folding a paper crane for good luck, crafting a simple paper hat, or struggling with a flapping bird. But beneath those simple valley and mountain folds lies a universe of staggering complexity. In recent decades, origami has evolved from a craft into a high-stakes scientific discipline used to design airbags, space telescopes, and surgical stents.

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Then came a mathematical revolution that transformed paper folding from a charming hobby into a complex contemporary art and engineering discipline. At the absolute center of this revolution is Dr. Robert J. Lang and his seminal masterpiece, Origami Design Secrets: Mathematical Methods for an Ancient Art .