geometric zigzag pattern on a dark slate gray background - seamless retro

presentation symmetry pattern cartoon design circle poster green line art abstract-art abstract-background artistic-background background-texture creative-art creative-illustration cycladic-colors decorative-background decorative-design decorative-texture design-elements fashion-pattern flat-design geometric-design geometric-pattern gift-wrapping graphic-texture holiday-decoration minimalist-art modern-pattern repeating-pattern repetitive-shapes retro-aesthetic retro-style seamless-texture simple-shapes vector-art zigzag