Shapes Produced by Rotating an Astroid
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An astroid is rotated, sweeping out a surface. Various shapes can be produced by varying the range.
Contributed by: Sándor Kabai (August 2008)
Open content licensed under CC BY-NC-SA
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"Shapes Produced by Rotating an Astroid"
http://demonstrations.wolfram.com/ShapesProducedByRotatingAnAstroid/
Wolfram Demonstrations Project
Published: August 1 2008