halftone circle. fade dot. pop art texture. round faded pattern. black dots on white background. point sphere for

art background black brush circle circles circular dash dashed dashes design designs diffuse diffusion digital dot doted dots dotted effect fade faded fades fadew fading geo geometric geometry gradation gradient graphic half halfton halftone halftones line noise opacity overlap overlapping overlay overlays patern paternity paterns pattern patterned patternes patterns pixel point poka polka polkadot polkadots pop popart radial radiant raster ring round screentone semitone shape small sphere square stipple stippled stippling subtle texture tiny tone tones vector white