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By George Hart for the Museum of Mathematics


Maybe you’ve always wanted to build your own geodesic dome home, but consider that too large of a project. You can build up your skills on a smaller scale by constructing a chicken coop. Anthony Liekens built this lovely one-meter geodesic dome so his chickens can lay in style.

chicken dome Math Monday: Geodesic Dome Chicken Coop
The construction uses two shapes of pine triangles, which are screwed together on the inside with steel plumber’s strapping, then caulked in all of the joints. The pentagons are each made of five isosceles triangles and connect to each other via equilateral triangles.

chicken dome construction Math Monday: Geodesic Dome Chicken Coop
Anthony’s step-by-step instructions are here. I like how it is elevated on five posts, in consonance with the five-fold symmetry about its center.

See all of George Hart’s Math Monday columns

Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of a dozen books on technology, DIY, and geek culture, including the first book about the web (Mosaic Quick Tour) and the Absolute Beginner’s Guide to Building Robots. He is currently working on a best-of collection of his writing, called Borg Like Me.

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