Three-dome home and a dome-garage — The Tuttles’ 2,600-square-foot home consists of a 37-foot diameter dome for the kitchen and great room and two 24-foot diameter domes for bedrooms, bathrooms and office. Their fourth dome shelters their car.

Three-dome home and a dome-garage — The Tuttles’ 2,600-square-foot home consists of a 37-foot diameter dome for the kitchen and great room and two 24-foot diameter domes for bedrooms, bathrooms and office. Their fourth dome shelters their car.