About this 3D model

Results of a random idea I had, late for the fidget spinner boom but in time for Christmas and utilizes same bearings many of you might have laying around! See it in action: https://www.instagram.com/p/BckpkaYnxY6/ Also featured on Print 3D channel: www.youtube.com/watch?v=lw3eugM3Xjg Print all the pieces and pop in the bearings, optionally there are slots for M8 (metric) nuts to act as weights on the bottom part.