Just the other day we were thinking “You know what we need more of around here? Harmonographs!” And our requests were answered when [Paul] sent in his three pendulum harmonograph. For those unaware, ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 2 minutes ...

RD1Studio has created a unique alternative to the classic harmonograph drawing machine using gravity and physics to create hypnotic designs both digitally and using traditional pen and paper. Hugh ...

If you’re like me, you looked at this picture and the name “Three-Pendulum Rotary Harmonograph” and felt confused and a little bit threatened. But fear not! Turns out it’s one of those fun ...

When my elder brother and I were kids back in the late 1970’s, our hacker Dad showed us this 1960-61 catalog of the Atlas Lighting Co (later Thorn Lighting) with an interesting graphic design on the ...

Paul Wainwright creates stunning images on the gigantic harmonograph he constructed in his New Hampshire barn The following contraption is a prototype of a drawing machine that was fashionable in the ...

From now until May 30, the exhibit, "Pendulum Autographs - Drawing with Harmonic Motion" is on display at the Crowell Art Gallery of the Moore Free Library in Newfane. A harmonograph will be set up in ...