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 NCB Deposit  # 150

David Hirsch
playidea@gmail.com
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Sphericon Construction

Two cones with a twist



triangle




sphericon2 animation

Sphericon Animation

Created in SolidWorks, saved as AVI and then transformed to GIF.  See <  http://www.zamzar.com/convert/avi-to-gif  >.



Copyright Notice:  The animations and all images within are under copyright by David Hirsch and may not be copied, electronically or otherise, without his express permission.

David Hirsch,  playidea@gmail.com




References
Websites: https://en.wikipedia.org/wiki/Sphericon >.  Please note the patent statements.

http://curvebank.calstatela.edu/sphericon/sphericon.htm >

Printed
References
    Ian Stewart,  Mathematical Recreations: Introducing the Spericon, a new solid shape.
    Scientific American, vol 281 (4), October, 1999, pp. 116-117.

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