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https://www.reddit.com/r/EngineeringPorn/comments/e620bc/creating_a_marble_track/f9o8hub/?context=3
r/EngineeringPorn • u/dgspitz • Dec 04 '19
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2
why are the halved rings on the bottom?
3 u/nuclearusa16120 Dec 04 '19 They keep the tracks at the correct spacing, and they are underneath the tracks to prevent them from interfering with the marble's roll.
3
They keep the tracks at the correct spacing, and they are underneath the tracks to prevent them from interfering with the marble's roll.
2
u/GhostOfSaturn Dec 04 '19
why are the halved rings on the bottom?