Architecture, Building and Structure Design Armada 3 Mixed Use Architectural Complex by TOBB Economy and Technology University Armada 3 is a mixed use architectural complex in Ankara, Turkey. The building combines upper segment retail, gastronomy areas, and office spaces across multiple above-ground levels, with a construction area of about 21,000 square meters. Entrances on several sides and a street like interior keep the complex open to the city. Step-back terraces and self-shading geometries support solar control and daylight. A reinforced concrete column grid allows flexible unit sizes and future reconfiguration. The facade uses high-performance glazing, insulated panels, and metal cladding.