The butterfly roof is a simple solution that creates a perfect place to set a modest solar electric array. The roof also capture rainwater, which is treated with a carbon and UV filter and stored in a 400 gallon tank for drinking, and washing in the outdoor shower.
The interior features all the creature comforts of a small kitchen, complete with a sink and refrigerator. The cabin even has ceiling fans to cut stagnant air on hot summer evenings. At 176 square feet, the cabin is just large enough to provide all that is needed for a simple escape — but nothing superfluous.