Find a way to break up the space. That was the directive Marcus Mohon of Mohon Interiors set for himself when approaching his room for the Kips Bay Decorator Show House Dallas last November. The AD PRO Directory designer hoped to transform an expansive, nondescript former office—800 square feet beneath flat 10-foot ceilings—into an intimate evening lounge. "We were looking for something that added architectural distinction without putting up walls," he explains. "We were trying to gently obscure vision without completely occluding it." His solution: a curtain of fine metal beads encircling a round table and four chairs, forming a cloistered dining area at the center of the room. The effect was so unexpected that early visitors asked if the room was filled with smoke. “People went nuts over it,” Mohon recalls. “And everybody wanted to touch it.” A Material in Motion A gap in fine chainmail curtains opens onto a corner booth of the dining room at the Pocketbook Hudson Hotel.…