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Limestone business card for the Indiana Limestone Company in Bedford, IN: “Ugo and I launched the Medium Volume forms — named for how they can be made in many materials and produced in both positive and negative volumes — at PAD Paris in early 2008. When we first showed the pieces we had four carved out of solid limestone and 14 in hot-dipped galvanized steel (pictured). Out of the four that were produced in Indiana limestone, only one of them was delivered intact, and we took that as a sign that limestone isn’t the best material for furniture.