Brought to life by Kenner in the late 1960's.
Thursday, August 23, 2012
Epitrochoids and hypotrochoids=Spirograph
Labels:
epitrochoids,
geometry,
hypotrochoids,
Kenner,
math,
Spirograph,
toys
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A Venue for Discussions of Science, Philosophy and the Arts
1 comment:
Had one as a kid. Loved to use it. I guess it was my first psychedelic experience!
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