colorful crayon or charcoal lines set. doodle lines with grunge pastel pencil texture. hand drawn chalk scribbles or

crayon pencil scribble brush doodle line chalk texture children drawn vector hand marker pen stroke background paint shape scratch mark charcoal sketch sign effect art set draw childish trace scrawl handmade mess random drawing dot banner pastel graffiti white bold freehand ink sketchy circle squiggle illustration design grunge squiggly color