TP Tube 3D Printed Marble Run
thingiverse
This design is for connector pieces that can be printed quickly for use with toilet paper tubes to create a marble run. Every other marble run I found on thingiverse was either for smaller ball bearings or took hours and hours to print! This is a simple marble run using toilet paper tubes cut into fourths as the tracks. Could easily be remixed for different combinations and configurations! Uses standard 16mm marbles. For one track, print 1 Top, 1 Bottom, 8 Adaptors, 3 Up, 3 Down and 1 cap. 2 TP Tubes needed. For detailed instructions, see my instructable on this! https://www.instructables.com/id/TP-Tube-Marble-Run/
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