#Spirographs have really interesting maths behind them. That makes it fun to code them as well!

Below a guide for generating your own #Hypotrochoids (inside the circle) or #Epitrochoids (outside the circle) in #Stata:

https://medium.com/the-stata-gallery/spirographs-and-parametric-plots-in-stata-960e332aa035

Share your #spirals!
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RT @Rainmaker1973
Spirograph is a geometric drawing device that produces mathematical roulette curv…
https://twitter.com/Rainmaker1973/status/1641779365166960644

Just discovered #spirographs ! So fun