To make the sub-300-square-foot units in San Francisco’s prefab and LEED Platinum–targeted Smartspace SoMa building more livable, Panoramic Interests and ZETA Design + Build installed clever convertible furnishings, including a hydraulic table that lowers to become a window seat and a Murphy bed that turns into a dining table.  Photo 7 of 10 in Micro-Dwellings Across America