circular spiral . abstract geometric circle .

abstract artistic black burst center centrifugal centrifuge centripetal circle circles circular concentric converging deception deceptive eddy effect element free geometric geometry giddy helix hypnosis hypnotherapy hypnotism illusory illustrationelement mandala miscellaneous monochrome motif nonfigurative ornament radial revolve rotary round royalty spiral spire swirl texture twirl twist vector volute vortex whirl whirligig whirlpool white whorl