Marble Track Hill Joint
thingiverse
This is the pivot point for my handmade marble run kit that can be constructed for under $3. The pivot attaches two track segments and enables one piece to be angled between 0-45 degrees. It also has slots for a thin sheet of poster board or index card to guarantee a smooth arc as the marbles descend the slope. Please check out my video demonstrating how to build the entire marble run kit. https://www.youtube.com/watch?v=EskMG8Iu4xE&feature=youtu.be
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