Dominating a whole room, it looks far too unwieldy to draw a geometric picture with a small ballpoint pen. But this giant Spirograph graphic images that are both huge and unique each time. Swedish ...

Remember the Spirograph toys you had when you were a kid, which let you draw mathematically precise hypotrochoids and epitrochoids (or, as I called them, “neat shapes”) without cracking a sweat? What ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The Spirograph is a geometric drawing ...

It’s the Leeds invention which helped generations of children unleash their creative potential. The Spirograph game was developed by Leeds engineer Denys Fisher in th early 1960s from his home studio ...