Tell us about yourself!
How tall and wide are your letters ?
Where does the Icosaeder_Diffusor.svg get atached ?
Where did you get the "toy-spinner" ?
http://www.materialstoday.com/powder-applications/...Google found lots of interesting articles on the dielectric strength of power coating. Power coating is a simple process, getting it right ( read safe) is another matter.
Please post a link to the original power supply shown at the start of your video.Thanks