A traditional office with a central corridor is not optimal for internal communication. That is why atelier PRO opted for a nearly square, compact model for the design of the TU/TNO building in Delft. The building consists of two office wings with a central area in between. The office wings have relatively closed facades but open up toward the central atrium with light from skylights and transparent glass facades. The workstations are situated on the outer sides of the office wings. The meeting rooms and sanitary facilities are located in the cores. Shared facilities such as the conference center, company restaurant, and lunchroom are located in the central area. Copy corners, kitchenettes, and informal lounge areas are also situated around this atrium. This gives the building an open structure that encourages informal contact between the various divisions and enables synergy.