a ball revolves in a carbon nano tube donut model toy (10cmX10cmX3cm)

Just a carbon nano tube donut model with a ball inside .. (after printing you'll need to cut the supports of the ball )

print without support.

( added the donut with a ball And without the ball )


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If you collect or print this design , please press the ❤ button .
and check out my other stuff too ..OH..and you may consider to TIP this poor designer :)
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