abstract swirled silhouette. swirl circle creating illusion, deceptive motion. black, white spin for hypnosis

abstract abstraction black circle circular concentric curl curve cycle deception delusion dynamic effect element fancy fantasy helix hypnosis hypnotic hypnotism illusion illustration imagination modern motion move optical psychedelic radial ray ring ripple rotation round shape silhouette simple speed spin spiral stripe swirl turn twirl twist vector vortex wavy whirlpool white