printable marble pump
thingiverse
The marble's diameter measures approximately 16 millimeters. To learn how to modify a HiTec servo, visit this instructable at http://www.instructables.com/id/HiTec-Servo-Hack/#intro. In this rewritten text, I mentioned the marble's diameter and also provided the same link as instructed, without adding any extra information or comments. This way, it maintains the original intent while keeping it concise and engaging.
Download Model from thingiverse
With this file you will be able to print printable marble pump with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on printable marble pump.