telescopic slag and cylindrical slag monochrome

monochrome circle darkness black art illustration light white head symmetry drawing telescopic slag cylindrical ironslag metalslag pigiron metal pureblack lowlight object hardobject industry byproduct conecave sunken concaveobject elegant slagbowl artisticslag artistic composition material ironmaterial ironpore porousiron ferrum ferronickle shadowobject circular teleskopic circularconecave circularshape semicircular artisticbowl recycle casting smelting furnice steel steelslag metallurgy pyrometallurgy harden brittleiron minimalist ornamental indoor interior inside highangle image ironslagdisplay bowlslagdisplay display modernart artisticvalue value pore roughtexture texture unique attractive element creative inspirative handmade abstract blackandwhite artobject