Positions in Practice : Constructing the Commons in the Latin American Metropolis, Graduation Studio (Msc 3 | Msc 4), Valparaíso, Chile, Fall 2017 - Spring 2018. The MSc3/MSc4 Graduation Studio “Positions in Practice” of the Department of Architecture TU Delft (fall, 2017) focused on the urban and architectural context of Valparaíso, as a laboratory for the definition of disciplinary positions and the performance of these positions in practice.