Cyl House

A simple curve galvanized sheet metal, with a few screws ...
9 sheets of 1.2 x 2.7 mfor a household of 5 x 3.5 mare 17m2 ...
With vertical sheets of 2.4 x 1.2 mwith a door and window ...

Cover is very easy with regional Marerial, brick, adobe, rammed earth, stone, wood, earth, tile, slate, palms, etc ...

Evolution is very simple, you can add sheets to do largest house

Communities are possible at remote places ...