Geodesic dome
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A geodesic dome is a lightweight spherical shelter created from triangular objects. The triangles are rigid and distribute the structural stress throughout the structure, making the domes able to withstand heavy loads relative to their size. Geodesic domes were developed by engineer and architect R. Buckminster Fuller.[1] Inexpensive and easy to build geodesic dome greenhouses and coops have been made using PVC or metal pipes.
Geodesic domes are based on the icosahedron, one of the five Platonic solids, or convex shapes made from identical faces.