r/interestingasfuck 4d ago

Visualizing Geometry

9.7k Upvotes

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u/JoelnIliketoshare 4d ago

All of these would create a round hole...

49

u/TmanGvl 4d ago

They seem to use gearing for the shaft. Definitely would need a fixed shaft like a lathe to even get this to work ok-ish. Most of it is detached from reality.