wavy zigzag. wiggle jagged waves, parallel sinus line wave border and sine zigzags frame seamless

abstract amplitude billow black border crisscross curvature curve curvy decoration decorative distortion divider dividing edge element equalizer frame geometric horizontal illustration jagged line lines monochrome ornament parallel pattern seamless serrated set sine sinuous sinus squiggle stripe texture undulate vector water wave wavy wiggle winding zag zig zigzag