thin squiggly lines. wavy wiggle stripe pattern decoration. curvy thread, string or yarn strikes for ornament, decor

line wavy squiggle curve background shape organic thread drawn texture irregular sewing wave tangled vector continuous abstract thick tangle long thin infinity strip chaos horizontal draft chaotic frizz sketch knot linear scrawl brush rope cable wiggle undulate wiggly flow scribble wobble squiggly curvy black doodle drawing pattern string bent