art deco seamless pattern. background with a pattern of lines, style 1920s, 1930s.

1920 1920s 1930s 30s abstract angular art artistic backdrop background black corner deco decoration decorative design diagonal elegant element fabric frame gatsby geometric geometry gold golden graphic grid illustration line lines luxury modern ornament ornate pattern repeat repetition retro seamless shape stripe striped style template texture thirties twenties vector victorian vintage wallpaper