Rhombicuboctahedron Star on a Sphere

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Pyramids are placed on the faces of a rhombic cuboctahedron with a ball at the tip of each pyramid. The pyramids can be placed on the surface of a central sphere having adjustable diameter. This is most probably the geometrical arrangement of a star on the top of a Lutheran church in Békéscsaba, Hungary.

Contributed by: Sándor Kabai and Tibor Tarnai (May 2008)
Open content licensed under CC BY-NC-SA



A photograph of the church can be seen at the Wikipedia entry.

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