By Adele Peters   September 01, 2022   Backyard cottages have been hailed as a way to quickly add new rental space in cities with a shortage of housing. But they’re typically expensive to build. In L.A., where the city government has been trying to nudge homeowners to build more ADUs, or accessory dwelling units, … Continue reading These tiny homes are 3D printed from 100,000 recycled plastic bottles →