## 14.

Robert J. Lang (US)

*Rings8*

*2008*

*Origami, one uncut irregular sheet of vellum paper*

*22 x 22 x 4 cm*

*2008*

*Origami, one uncut irregular sheet of vellum paper*

*22 x 22 x 4 cm*

*Gasherbrum, Opus 386*

*1999*

*Origami, 12 uncut rectangles *

*25 x 25 x 25 cm *

*1999*

*Origami, 12 uncut rectangles*

*25 x 25 x 25 cm*

*BiCurvePot13, Opus 531*

*2008*

*Origami, one uncut 13-gon of 100% cotton watercolour paper*

*20 x 20 x 12 cm*

*2008*

*Origami, one uncut 13-gon of 100% cotton watercolour paper*

*20 x 20 x 12 cm*

*Origami* is the art of folding paper to make sculptures. Origami techniques can be used to create mathematical objects, such as those shown here by physicist and origami expert Robert J. Lang.

In origami, the starting point is a single square sheet of paper.

Only straight-line folds are allowed, and scissors cannot be used. It is also possible to use several sheets of paper following these same *rules*.

Origami has given rise to certain mathematical results, which are used in many applications, such as the deployment of solar panels on satellites, the folding of airbags and the deployment of micro-sensors in the medical industry.

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