The Mathematics of Spirograph

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…

Trigonometry - Epitrochoids and Hypotrochoids

3D-Spirograph

Denys Fisher, Inventor of the Spirograph (1977)

スピログラフ」の描く線はなぜ魅力的なのか？数学的美しさの秘密｜ニフティニュース

Doing Mathematics with Spirograph in: Mathematics Teacher

Most of my symmetry and predicting math posts all in one place. The notation setup is on the first photo. : r/spirograph

Lekshmi P R - Project Officer (Research) - WHO-SAGE

Spirograph Mathematics, Learning and Technology

Blackboard Bold The Aperiodical

Mathematics and Statistics Faculty

Spirograph Circles with math from Wikipedia – GeoGebra