squiggle pattern, seamless freehand texture. random intersecting scribble lines. doodle chaos repeated tile. black and

abstract amplitude anxious art background black chaos chaotic child crazy curl digital doodle drawing drawn edge freeform freehand geometric illustration ink line marker miscellaneous modern monochrome pattern pen pencil ripple scratch scrawl scribble seamless sharp simple sketch squiggle squiggly stroke swirl texture thread vector wave wavy white wiggle wiggly