geometric mid-century modern seamless pattern - 60`s and 70`s funky pattern with triangles, circles and abstract s

18x24 1960 1970 60s 70s abstract art artwork background blue circle circles collection color composition cool decor design fashion funky geometric groovy hippie home midcentury minimal minimalist modern modernist navy nretro ornament pattern pop poster postmodern print rectangle red repetitive retro scandinavian seamless set seventies shapes simple sixties square style trendy triangle triangles vector vintage wall wallpaper yellow