
Marble run fork
thingiverse
This shot clearly tells the story, as I can confirm that the marble - or bead in this particular scenario - effortlessly moves back and forth. Scaling the artwork down to 50% of its original size appears to be the chosen method used in this image.
Download Model from thingiverse
With this file you will be able to print Marble run fork 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 Marble run fork.