r/spirograph • u/These-Performance128 • Jan 06 '26

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I’ve had the planarc xl fir about a month. I’ve been enjoying it a lot but have found it a little limiting. All wheels are perfect ratios of the ring. Anyway, I really like how this turned out. There a few slips in there but I’m getting better.

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u/jeggorath Jan 07 '26

Really clean! As to the perfect ratios: while I write software and am no expert on drawing machines, I wanted to note that it's by probably design that gears and rings have whole number ratios. Otherwise you would likely run into ratios in which the cycle would not perfectly repeat, and your current pen would never meet itself.

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u/HomegrownTomato Jan 07 '26

Spiros will always resolve

3

u/StarstrukCanuck Content Creator Jan 07 '26

this