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A rotating circle that draws a perfectly straight line

17,675 views • 3 days ago •via X (Twitter)

7 Comments

Drew the lesser's profile picture
Drew the lesser3 days ago

And this my friends is the beauty of a Spirograph!!!

Math Files's profile picture
Math Files3 days ago

Love it

Shii’s Hidden Study's profile picture
Shii’s Hidden Study3 days ago

ギヤホーニング加工の砥石が必要だね

Math Files's profile picture
Math Files3 days ago

Haha, looks like we do!

Daniel Frohlich's profile picture
Daniel Frohlich3 days ago

Beautiful

Mark Hayes's profile picture
Mark Hayes3 days ago

The basis of Matthew Murray's hypocycloidal steam engine of 1802. This is a modern model: Take a look at this video, 'hypocycloidal steam engine'

🇨🇦The Old Canada 🇷🇺 🎒's profile picture
🇨🇦The Old Canada 🇷🇺 🎒3 days ago

Clock makers studied this.

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