wave lines, wavy zigzags and squiggly pattern lines. curvy black squiggles and curvy underlines set

amplitude angular bent billow black corrugated crisscross curvature curve curvy divider edge edgy element equalizer flex frame graphic horizontal isolated jagged line lines outline parallel pattern ripple round set sharp sine sinus smooth spring squiggle squiggles squiggly stitch template underline underlines undulate vector wave waveform wavy white wiggle wiggly winding wriggle wriggly zigzag zigzags