The office concept is intended for innovative companies that accelerate the growth of the circular economy with their products and services. Within a year, BlueCity transformed 1300 square metres of the former discotheque into 100 circular workplaces, varying from shared to private offices and fixed or flexible workplaces. The renovation was carried out under the direction of partners COUP, Superuse and Workspot. The window frames used as partition walls are eye-catching. The unusual composition stems from the given dimensions of the harvested window frames.