In the third task we suppose to develop from the task 2 sculpture a functional building, using the functional program gives by Documenta Halle Competition. In my building i decide to work in a centripetal way, using the five object from previously array list as the properly function. The connection between this object is used to create a foyer to the center open space. This inner public space is on a lower level from the terrain. With this tree properties the building create a intimate space that however is related with the contest.