Making bimetal yo-yo make $100 yo-yo with $2 parts. 

I really didn't expect this yo-yo to work properly.
I wasted 8 hours because axle standards are not right in the hole
and succeeded after the third attempt.
It's even so good. I'm sure that the plastic yo-yo will fill up the 5% that wasn't enough.
It's hard and light feeling.
This experiment brought up another masterpiece idea.
#3D printer #Parts #Afterprocessing #todaysthrow #yoyotricks

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