zigzag seamless wave lines set. wavy wiggly black horizontal line with edge. frame underlines stroke.

abstract amplitude angular art background bent billow billowy black card corrugated creative crisscross curvature curve curvy decor decorative design distortion divider edge edgy elegant element equaliser equalizer fabric flex frame geometric graphic horizontal illustration jagged line lines ornament parallel pattern ripple seamless serrated set shape simple sine sinuous sinus snaking snaky squiggle squiggly texture undulate undulating vector wallpaper water wave waveform wavelike wavy white wiggle wiggly winding wriggle wriggly writhing zigzag