chalk sketch hatching. doodle textures, pencil sketching lines. scribbles and scratch, hand drawn grunge

abstract art artistic backdrop background black brush chalk charcoal collection crosshatch design doodle draft draw drawing drawn effect element frame freehand graffiti graphic grunge hand hatch hatching illustration isolated line messy monochrome pattern pen pencil rectangle rough scratch scrawl scribble set shape sketch square stroke texture textured vector vintage white