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3D Printer Academy

Launching Ball Marble Machine

Launching Ball Marble Machine

Regular price $2.90 USD
Regular price Sale price $2.90 USD
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Launching Ball Marble Machine 

Print-in-place ball launcher marble machine. Pull back the lever, release, and send the marble down a twisty-turny track. Includes a secret magnet feature. Insert a magnet to levitate the steel ball on the side of the machine. (Use <10mm diameter magnets) 

Requires: 9.5mm Steel Balls:

(Steel ball and magnet choking hazard. Not for small or unsupervised children)

Print settings: 

- print with 3 wall for extra strength. 

- 10-20% infill

- Lay marble rack on its back to print without supports.

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