old fashioned 50s 60s 70s style seamless pattern trendy brown abstraction

70s shapes 60s unique 50s repeat dot movement gradient halftone trendy colour textile 1950s 1960s print abstract background round tone artistic fifties graphic sixties lively 1970s half oval ellipse endless fabric seventies wallpaper divide composition whimsical repetitive split work retro shift vintage seamless design vector pattern brown stipple