A triangular cabin designed by Campbell & Wong & Associates, San Francisco

This packaged cabin was designed by Campbell & Wong & Associates, San Francisco architectural firm, to fill the need for a leisure house that could be quickly, easily, and inexpensively assembled. All the necessary structural parts may be taken to the site, ready to erect. The designers have found, by actual test, that the house can be put together in 4 to 7 days by two persons. Only tools required are a hammer, wrench, and a 12- foot ladder.

The cabin is designed in a basic unit that can be expanded by adding 4-foot sections. The basic unit is 18 feet wide and 24 feet in length from the rear wall to the front deck. The cabin is fashioned of a series of 11 equilateral triangles of 2 by 6-inch timbers. These members are fastened at the base with bolts; at the top, they are butted against a 1 by 10-inch ridge rafter that runs the full length of the house. Exterior panels are waterproof marine plywood, secured by 2 by 3-inch battens. The interior flooring of 3/4-inch plywood and the deck covering of spaced 2 by 6's are applied to 2 by 6-inch floor joists. The plans show a plywood rear wall, doors, interior partitions, framing for glass.

The basic plan provides room for a living- sleeping-dining area, a galley-size kitchen, a closet, and a bath with linen storage. A sleeping balcony uses space above the kitchen and bath. By expanding the basic leisure house with 4-foot sections, a larger bath or kitchen may be provided. Addition of three 4-foot sections gives ample space for a two-bedroom house or a unit with living room, bath, kitchen, and bedroom plus a sleeping balcony.

Depending on local regulations, foundations may be simple concrete piers, continuous concrete footing, or any other suitable type.

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source: Cabins and Vacation Homes, Sunset Books | 1960