ball-bearing

thingiverse

You've got your hands on a ball-bearing now, but before it's ready to roll, you need to get creative with some glue - specifically, the middle part has to be put back together again. Once that's done, you'll have a fully functional ball-bearing at your fingertips, ready to take on any task that comes its way. This ball-bearing is truly a dream come true, offering everything you've always wanted and more.