The kitchen’s tumbled-metal mosaic backsplash tiles from The Fine Line in Chicago were among the first design choices for the penthouse. Louise Gaskill fabricated the equally bold pendant lights; the vintage barstools are from Modern Manor. Counters from Cactus Stone & Tile—polished granite on the island and leathered granite for the perimeters—top white-oak cabinetry fabricated by Desert Cove Woodworks.