grunge gears

abstract aged art artistic background border concept corroded corrosion crack crackled design dirt dirty gear geared gearing gears grunge grungy industrial industry layers machine mechanism metal montage old paint pattern rusty synchronized technology texture vintage wallpaper wheel wheels working gear sketch grunge grungy antique hand drawn ink splash blot engineering paint architecture mechanical steampunk business design development device drawing education equipment factory gadget gears getar wheel idea industrial industry machine mechanic mechanism metal old operation retro screw service settings setup silhouette structure system teamwork technical technology turning vector maintenance