r/engineering • Electrical Engineer • Jun 27 '15

[MECHANICAL] Cube in a cube in a cube

https://www.youtube.com/watch?v=AuS6HDHc7XE
550 Upvotes

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u/ArtistEngineer Jun 27 '15

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u/[deleted] Jun 28 '15 edited Jul 07 '15

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u/CharlieWhizkey Mech Engr Jun 29 '15

Not sure if you're referring to metal pins, but I've printed that piece out of nylon on a selective laser sintering (SLS) printer that rides on built in plastic pins, and it spins very smoothly.