seamless monochrome expanding waves intersect in the center. optical volume effect. the visual illusion of movement

background black center centric centripetal circle circles circular concentric curl curve design effect element expanded expanding fabric geometric graphic grey hypnotic illusion illustration intersect intersection irregular jagged joint juncture line monochrome movement optical packaging pattern radial rotation seamless spin spiral stripe suitable swirl textile texture twirl twist vector vertigo visual volume vortex wave waves wavy whirl whirlpool white zigzag