Exterior and House Building Type Upon his first visit to Tasmania, an island south of the Australian mainland, resident David Burns was immediately smitten with its varied, pristine landscape. Working with architecture firm Misho+Associates, he built a self-sustaining, 818-square-foot retreat that would allow him to completely unplug from urban life.  Best Photos from An Off-the-Grid Prefab that Combines Open Plan Living with Rugged Durability