Gravispinner

This is a remix of a design I published on Thingiverse a few years ago. I build automated tracks with Gravitrax and didn't have a lot of use for the hammer component. So the spinner replaces the hammer. Its always struck me as a bit weird that Ravensburger didn't come up with their own version, given there's a component like this in many other popular marble tracks like Quercetti or Marble Genius. The spinner is lighter and has a slightly tighter fit on the hammer axel. Now it spins longer and s