Bearing free spinner

This spinner started as a project my 11 year old daughter was taking on. She planned to print a spinner with a bearing cap design her teacher (source of remix - thanks to theroar!!!) had made. When her first caps didn't turn out quite as expected I showed her how to spin the part - without a bearing - using her caps. She ran with that concept and perfected the spacing between the spinner body and the bearing surface. Thus her first "thing" was born and it is shared! Because the parts touch,