About this 3D model

This is a very unique launching ball marble machine. While it may not be the most practical, it sure is satisfying. Print in place with no supports. A good first layer is mandatory for the print to succeed. Printed with MatterHackers Quantum PLA: https://www.matterhackers.com/store/l/matterhackers-quantum-pla/sk/MS2XWRUN?aff=7595 Uses 9.5mm steel ball bearings: https://amzn.to/3gqOleU