halftone line. round faded geometric pattern. black circle on white background for prints. screentone lines

abstract art background broadcast center centre centric circle circles circular circulation concentric concept cycle decoration design dot epicenter fade geo geometri geometric geometrical geometrics geometry half halfton halftone halftones hypnosis hypnotic icon illusion line lines logo modern ornament oval patern paterns pattern patternes patterns radar radial radio random ring ripple rotate round shape shockwave sound soundwave sphere spiral symbol texture tone tones vector visual wave