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 ...

If you’ve ever made designs with a Spirograph, you can probably conjure up the feeling of swirling the gearlike wheel inside the plastic ring using the tip of a pen — and also recall being amazed at ...

Sixty years ago engineer Denys Fisher settled down to relax on a Sunday night and listen to a spot of classical music. Within minutes, he was hit by a Eureka moment that solved a problem he had been ...