In the words of the architects FLOAT architectural research and design:
This project is a small off-grid retreat on a rural site in Bordeaux, France. A steel exoskeleton supports a polycarbonate roof over a 120 sq. ft. wood framed interior box. Window locations are located to emphasize foreground and background views and the butterfly roof funnels rain water to a cistern that provides habitat for the namesake native tree frog.