doodles hand-drawn pattern of vertical lines of the zigzags . wavy, curly lines of an orange pattern. black paint, dry

abstract backdrop background brush childish curly curve design doodle drawing element fabric freehand geometric graphic grunge hand handdrawn illustration ink isolated line liny motif narrow ornament pattern pen pinstripe repeat scribble seamless shape sketch slim smear strap strip stroke structure textile texture tile tooth vector wallpaper wavy white zag zigzag