If you’re the kind of person who’s interested in doodling and/or fun toys, you might have encountered the fun doodling toy Spirograph, or some unbranded equivalent. It sits somewhere on the continuum between an artistic drawing tool and a neat mathematical gadget.
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A conversation about mathematics inspired by a Spirograph set. Presented by Katie Steckles and Peter Rowlett.
Katie’s Spirograph GeoGebra file.