The Strata project explores the design of layered, electronically-augmented physical models that serve as tangible interfaces to specific dataspaces. Strata's first application is an interface that embodies the physical structure of the Media Lab's home building. This takes the form of a five-layer, translucent acrylic model woven with embedded lights, sensors, and computation. This tangible interface will allow the building's networking and facilities staff to access, monitor, and control a dynamic representation of the building's physical and digital infrastructure.