Spirographs are a fun and creative way to create art. Using a variety of shapes and colors, you can create intricate designs and patterns that are sure to impress. With the help of a spirograph, you can
From Wikipedia
Spirograph is a geometric drawing device that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids. The well-known toy version was developed by British engineer Denys Fisher and first sold in 1965.