An important design requirement was for the cubes to appear feather light and thin. We performed careful studies to make the structure and insulation look as thin as possible. The cube surfaces are covered with a baked ceramic frit pattern on the outer-most surface of the glazing. By doing so, a pure-white cube expression can be achieved. Had the frit been applied on an inner surface, the color of the cubes would have been greenish due to the green tint of the glass.