Contributed by Michael Brennan / “A creative economy is the fuel of magnificence,” said Ralph Waldo Emerson in another context. As much as I respect institutional Minimalism, economy in painting excites me more, and what could be more economical than a three-person, three-painting exhibition presented in a 135-square-foot space with one empty wall? Artist Mark Sengbusch has scrupulously curated “3 Painters” at Field of Play in Gowanus in accord with his own personal Periodic Table, in which each artist represents a specific Element. Charlotte Hallberg is field, Clare Grill is air, and Victoria Roth is depth.