Three Cylinders in a Cube
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Cylinders pass through a cube along three edges of an octahedron that bypass each other. The cylinders do not intersect with each other until their diameter is greater than one sixth of the body diagonal of the cube.
Contributed by: Sándor Kabai (April 2007)
with a modification from Ralf Schaper
Open content licensed under CC BY-NC-SA
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