"I’m a huge proponent of lighting as architecture," says Nix, who suggests illuminating objects instead of empty space. "Light on an object creates ambiance." In their apartment, they’ve trained track lights from the Polish company LightArt on the Cube, as well as on the handmade cabinetry. The fixtures, which Novak-Zemplinski describes as "good quality and inexpensive in comparison to more well-known brands," are also installed at the MoMA in New York.