Architecture that repairs itself? Posted By 3SMedia on May 8, 2012 in Multimedia Venice is sinking. To save it, Rachel Armstrong says we need to outgrow architecture made of inert materials and, well, make architecture that grows itself. She proposes a not-quite-alive material that does its own repairs and sequesters carbon, too. Armstrong is a sustainability innovator who creates new materials that possess some of the properties of living systems, and can be manipulated to ‘grow’ architecture.