Marble Roller Machine
thingiverse
I stumbled upon a mesmerizing picture of a marble machine years ago and I finally managed to find the time to attempt building my own. As expected, it was a daunting task to get the mechanism just right. I had to remake the cup and fine-tune the pivot point several times but I eventually got it working smoothly as shown in the attached video. I crafted mine from wood, but I've included all the STL files for you to try printing your own if you're feeling adventurous. Don't forget to supply your own 9/16" marbles – you can find similar versions on Amazon: http://amzn.to/2ClyTrw To build this one, follow these steps: https://www.instructables.com/id/Wooden-Marble-Roller-Machine/
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