There’s really no wrong or right way to use the new playscape at Marlboro Houses, a New York City Housing Authority (NYCHA) campus in the Gravesend neighborhood of Brooklyn. The abstract, bright-yellow play structures are composed of undulating forms that can serve as benches, slides, hills to climb atop, nooks to hide inside, and portals to gaze through. Each of the forms is open to interpretation, inviting curiosity. In addition to its abstrac…