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A circle is moved around a torus and, at the same time, is rotated in its own plane. A torus coil is the trajectory of a point of the circle, represented by a sphere.
Contributed by: Sándor Kabai (April 2007)
Additional contributions by: Maxim Rytin
Open content licensed under CC BY-NC-SA
Wolfram Demonstrations Project
Published: April 27 2007