It’s so pretty!
Listen, I’m really easy to distract. All I need is a fun doohickey or an interesting thingamajig, and I’m entranced. If said item runs automatically, it’s practically fatal; I could watch it for hours. So, imagine how I felt when I saw a 3D-printable marble run that uses a motor to push marbles from the bottom back to the top. If I ever make this, my productivity is going to tank.
This cool Moore curve marble run is the ultimate conversation piece
The story begins over on the 3D printing subreddit, where the amazingly-named SturdyMilk05254 had an epiphany.
