1950s 1960s 1970s retro style seamless pattern trend brown abstraction

70s faded shapes 50s 60s repeat dot grid uniform 1960s gradient tile 1950s colour oldfashioned textile contemporary print structure fifties graphic half sixties tone 1970s halftone repetition square geometric seventies fabric wallpaper array endless split work shift retro block vintage art abstract seamless design vector texture pattern background brown continuous