modern abstract seamless pattern. 60s 70s style geometric background in retro colors.

1950s 1960s 60s 70s abstract art artistic background century checkered 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