concentric hypnotic spiral. concept illusttration of hypnosis, vertigo.

abstract art background black center centrifuge circle circular concentric concept design geometric graphic helix hypno hypnosis hypnotherapy hypnotic hypnotise hypnotist hypnotize illusion illustration line mental motion movement optical pattern psychedelic radial retro rotation shape simple spin spiral stroke surreal swirl twirl twist vector vertigo vortex wave wavy whirl whirlpool white