Harmonograph
#7
Has anyone ever used one of these or built one?

http://www.karlsims.com/harmonograph/#movie
Grant

"GO BUCKEYES"
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#8
First I've ever seen. Looks like an interesting project. I could probably play with one for hours.
Big Grin
Nothing is foolproof to a sufficiently motivated fool.
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#9
(11-14-2020, 12:39 PM)dow Wrote: First I've ever seen. Looks like an interesting project. I could probably play with one for hours.
Big Grin

That's what I thought. I probably would abandon my other projects and watch this thing gyrate for hours on end.
Grant

"GO BUCKEYES"
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#10
(11-13-2020, 03:04 PM)gad5264 Wrote: Has anyone ever used one of these or built one?

http://www.karlsims.com/harmonograph/#movie

I've had that same clip saved for years, but never got around to making one.
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#11
I had a Spirograph as a kid in the days before Super Spirograph.

https://www.youtube.com/watch?v=9XbZJSH-T1I
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#12
Plans here:  http://www.karlsims.com/harmonograph/

There are simpler drawing machines that can be built with Legos, a good parent/child project.

https://learn.adafruit.com/crickit-harmo...rmonograph
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