concentric circles with white background. black colour circle repeated .

circle line diagram drawing wheel pattern font design symmetry monochrome sketch brand spiral cartoon organ wing concentric circles element abstract round graphic background circular shape swirl twist wave radial symbol ring hypnosis geometric decoration stripe curve template decorative ripple psychedelic hypnotic burst woodwork beam split stump plywood visual equalizer whirlpool radiation optical motion rotation vortex twirl swirling clip art white black colour repeated oncentric center radii two-dimensional figure collection points equidistant fixed point called distance radius background design radii circle