abstract alloy alum aluminium.distressed aluminum backdrop background battered blank border brushed carbon color colored colour coloured copy copyspace cover covering dark diamond dirty effect floor grundged grunge grungy industrial industry iron lid machined manufacture manufactured metal metallic old oval oxidation oxidise oxidised pattern patterned plate rectangle retro rough rust rusty scratch scratched shape shaped space stain stained stainless steel strenght strengthened strong surface texture textured tile tough tread turquoise wall wallpaper weirdvis worn abstraction graphic lines wooden blocks brick Designs effects square unique design green light leaf leaves nature blur clouds cloudy graphics smoke soft blue shapes bricks cement concrete red drops tears water purple kaleidoscope pink