At first glance the monicker “spirograph” seems wrong, because where are the gears? However, [Yoshihito] has them stashed underneath the sheet of paper, with magnets controlling the pens.

He generated the gears using an InkScape plugin, and then moved the project to Illustrator for adjustments. After nesting the inner gear drawings, he was able to print them out on one 3×3 ...

When a British engineer named Denys Fisher introduced the first Spirograph set at a toy fair in 1965, he tapped into a demographic of non-artists who really wanted to create art. Those sprocketed w… ...

When a British engineer named Denys Fisher introduced the first Spirograph set at a toy fair in 1965, he tapped into a demographic of non-artists who really wanted to create art. Those sprocketed w… ...

Drawing toys based on gears have been around since at least 1908, when The Marvelous Wondergraph was advertised in the Sears catalog. An instrument called a spirograph was invented by the ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Media Platforms Design Team Spirographs are used by grade school kids to decorate ...

Spirograph, a geometric drawing device, creates mathematical roulette curves known technically as hypotrochoids and epitrochoids. In simpler terms, it's a toy that uses gears to produce intricate ...

What’s the fewest number of squares, octagons and triangles needed to fill a large rectangle? What type of Spirograph gear creates a floral design with the most petals?

Kahootz also put some new twists on the Spirograph, including the introduction of SpiroPutty to hold the gears to paper. ““The earliest version had metal pushpins to hold the plastic pieces down.

Customers try out the Spirograph display at Learning Express on Saturday.Daniel J. Brenner | AnnArbor.com The Spirograph inspired generations of children to twist and spin gears and pens, creating ...