World Arab

Otto studied architecture in Berlin before being drafted into the Luftwaffe as a fighter pilot in the last years of World War II. It is said that he was interred in a French POW camp and, with his aviation engineering training and lack of material and an urgent need for housing, began experimenting with tents for shelter. After the war he studied briefly in the United States and visited Erich Mendelsohn, Mies van der Rohe, Richard Neutra, and Frank Lloyd Wright. He began private practice in Germany in 1952. His saddle-shaped cable-net music pavilion at the Bundesgartenschau (Federal Garden Exposition) in Kassel brought him his first significant attention. He earned a doctorate about tensioned constructions in 1954.
Frei worked with famous engineering offices and changed a lot in there way of thinking. He built loads of buildings in the middle east, He made use of his passion towards light weight and tensile structures to explore the nicest forms and tents in Saudi Arabia.