charcoal pencil seamless pattern. monochrome grunge background with different scribbles, chalk squiggles and lines

pencil scribble stroke seamless pattern charcoal black monochrome texture grunge abstract lines sketch background squiggles different chalk neoteric children design print original wallpaper vector artwork textile graphic ink brush white paint illustration shape doodle fabric decoration art drawn creative hand paper modern drawing backdrop geometric ornament repeat spot dirty wrapping