aged background cobble cobblestone cobblestones collage leaf leaves natural nature page paper pavement road series stone street texture vintage walk abstract angles backdrop black black and white dark decoration decorative design detailed diamond shaped diamonds edges geometric geometrical interconnected intermeshed interwoven light lines patterns points shapes sharp style textures tiling wallpaper white art dot dots graphic grunge grungy pattern rough rustic scraps shades surface variation variations block blocks canvas colors colours crafts paint pastel pastels squares