The design arose from the requirement of the catapult house to transform, re-activate and enhance the use of a room that had been destined for collaborative work to modify the space, a design and construction commission made up of tallergeneral, that collective, vertical taller was formed. of architecture, ether studio, and the catapult house this commission responded to the operation that the space should have by proposing two working conditions: the first, dominant in area, contemplates the work that can be carried out in shared positions with mobile elements (laptop, books etc.) and the second contemplating the need to isolate themselves from the community, for this condition an attic is generated that allows the user to separate from the rest of the people who work in the space