mid century modern abstract seamless pattern in retro colors. 60s 70s style

1950s 1960s 60s 70s abstract art artistic background century colors composition contemporary cover danish deco decor design elegance elegant flat flyer geometric graphic home illustration interior invitation mid minimal minimalist minimalistic modern nordic ornament pattern poster print repeat retro scandinavian scrapbook seamless simple simplicity sixties square style textile trendy vector vintage wallpaper