This 196-square-foot house near Boise, Idaho, is home to Macy Miller, her partner James, their daughter Hazel, and their Great Dane, Denver. A 27-year-old architect, Macy designed the home from scratch and built it on a 24-foot flatbed with help from friends and family. Clad in siding made of recycled pallet wood, the minimalist home is flooded with light and feels spacious despite its size. Hidden storage under the bed, above the pantry, and behind the fridge are contrasted with open…