set of grunge textures in pencil, pen. thin line scribbles, circles with different shading, engraving. a set of round

art artist background black brush cartoon chalk circle cross crosshatch design different doodle dots draft drawing drawn effect element frame free freehand geometric graphic grunge hand hatch hatching illustration ink line messy monochrome paper pen pencil round scratch scrawl scribble set shading shape sketch stroke texture thin vector vintage white