Using industrial materials in an inventive, DIY method, Michigan architecture practice T+E+A+M sought to make efficient living a priority with the group’s newest housing project: a modest accessory dwelling unit (ADU) that will serve as a backyard rental in the city of Ann Arbor, Michigan. The one-bedroom, one-bathroom backyard residence marks one of the first ADUs to be built under the city’s new zoning regulations that were approved in June 2021.