Informal settlement has become one of the critical ways of producing space and accessing affordable housing, particularly in the context of the global South. Much of the established literature on the shaping of public space focuses on cities of the global North, and little is known about how public spaces are being shaped in more congested and less formal cities of the global South. This paper engages with the challenge of understanding the shaping of public space in informal settlements with a focus on exploring the spatial structures and increments of change in a case study in Medellin (Colombia). This is primarily an urban design exploration, which deploys direct observation, extensive urban photography, and field notes as key research m...