There has to be banging, hasn't there? no banging. this is it, man. we're not hiding anything. now, the walls aren'tjust thin lines of concrete. there are multiple layers forming concrete columns to add rigidity. reinforced by steel, they are printed using a proprietary material, a cement—like substance that is air—tight while also providing increased insulation. i love the theme they have going on with their naming system. so it's not concrete, it's... lavacrete. the name of the system that mixes it is called...? magma. and the name of the machine that prints it is...? the printer is vulc...