Nuclear Symbol Fidget Spinner By mtairymd in WorkshopCNC427Introduction: NullBy mtairymdm.youtube.com/user/boogiemonsterFollow More by the author: About: I like to design and build random things. More About mtairymd » Nuclear symbol with gears and cutouts. 3.5" Diameter, 22mm Bearing. End caps not shown - pull from here: https://www.instructables.com/id/Hex-Nut-Spinner/