abstract background design elevator gear grunge mechanics metal old reduction rust sky steel teeth tooth winch brown crack cracked cracked wood dark wood decay dry wood texture wood blue burst calm concept element fill gradient graphic illustration paint pastel scrapbooking sunburst white yellow pink autumn colors colours desktop fall feminine gold green grungy orange pattern Dirt dirty metallic panel panels rusty sand sanded spoil spoiled art blur burn color fire flame Fractal light red stripe swirly backdrop blank blocks border canvas colorful frame overlay paper squares thin