This instructable will show you how to make a 3D printing looking ball bearing in one shot. This bearing consists of 3 parts, the inner race, the outer race, and the balls. Most ball bearings have cage that is pressed in to hold the balls in, in order to print with high success rate, I could not mak...By: Ally Zhao
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from Instructables: exploring - technology - robots http://ift.tt/1A3cz0f
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