Ghostbusters Giga Meter Dome Mechanism

These are the mechanical bits I designed to make the Ghostbusters Giga Meter lighted dome able to remain lit up and spin. The key element here is the continuity between the outer and inner rings of a standard 22 mm skateboard bearing.

The dome and most of the Giga Meter parts I printed are the wonderful design from ERankLuck. I also used the updated face plate from TheLegendOfMart. The ear movement was provided by the custom parts designed by WindDrake. The wiring of the lights is based on th