Housing Laboratory / Laboratorio de Vivienda Apan, Hidalgo, Méjico Michael Meredith, Hilary Sample, MOS In 2017, Mexico’s Institute for the National Fund for Workers’ (INFONAVIT) Center for Research for Sustainable Development launched a program to solicit new approaches to affordable housing. To better understand the possibilities, and to better educate developers, workers, and students about the research, INFONAVIT engaged with MOS to develop a master plan for a campus of 32 built prototypes and design an education center to promote awareness and study of workers’ housing typologies. The selection process revealed various categories and themes for which the projects could be classified. Some projects rethink the fundamentals of low-income housing’s spatial organization (corridors, courtyards, roofs), some rework labor and construction, and some recast structure or material. The forms of these works are generally economical but, unlike early-modernist projects at the Weissenhof Estate, their attitude is not one of a radical break. If anything, these