abstract assembled background blankets casting-off casting-on colored colorful colors coloured colourful colours connected covering decorative fabric formed garter-stitch knit knitted knitting knitting-needles knitting-stitches multicolored multicoloured patchwork patchwork-blanket patterns sewing shapes Sizes square squares stitched style surface surfaces texture textured textures variety wallpaper warm warmth wool woolen yarn architectural architecture backdrop barrier basic brick brick-wall bricks brickwork color coloring colour colouring constructed exterior external linear lines mortar perspective perspectives secure security smooth solid standard strength strong surfaced traditional-brick-wall variation varied various wall walled well-built bolders boulders cover covered fitted fitting large limestone local-stone mound random randomly-coursed retaining-rocks rocks rocky rough rugged shade shadows shaped sharp stone stone-walled stones stonework sunlight sunshine uneven variations