roman numeral lxxxi, unus et octoginta, 81, eighty one, reflected on the water surface, on white, 3d render

abc abstract advertising anniversary arabic background birthday character clean clear concept count digit eighty extrusion fluid font gold graphic illustration isolated lxxxi meditative metal number numeral numeric octoginta one reflection refraction relaxation render rendering ripple roman sign silver surface symbol tranquil tranquility transparent unus volumetric water wave white