HANNAH, an Architectural League Prize–winning experimental design and research studio led by Cornell University assistant professors of architecture Leslie Lok and Sasa Zivkovic, has announced that construction work is underway in Houston on a story-story, 4,000-square-foot single-family home that, when completed, will stand as the first 3D-printed multistory structure in the United States. Serving as architectural designer and project planner, HANNAH is joined by the U.S. arm of Germany’s Peri 3D Construction and local design-build firm