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40 Knots House

Habibeh Madjdabadi, Alireza Mashhadi Mirza

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Sara Johnson, Hanley Wood Media

Project Name

40 Knots House

Project Status


Year Completed



Alireza Zahed

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Project Description


Persian carpets are world renowned, and bricks have a strong relationship with Iranian historical architecture. Here they are fused into a contemporary facade that appears as a collection of intricately interwoven modules. Creating a small and low budget apartment building in Tehran does not leave much space for creativity, yet an architect can try to do something with the material, textures, outer envelope and light. In light of that, a modern interpretation of the ancient mashrabiyya was conceived by using the bricks available on the local market. In order to reduce costs in the construction of this five-storey building, unskilled workers, unable to read technical drawings, were employed instead of master craftsmen. All the construction data was transformed into simple instructions to be recited by the supervisor during every fixing, resulting in a protruding irregular geometry, designed brick by brick, a system invented by watching carpet weavers in traditional workshops. The building has been entirely covered with a mesh of bricks impaled on rod bars as contiguous pearl necklaces. The distances between the bricks have been adjusted to create an opaque effect, through which light does not pass, while when there is a window behind the mesh, it becomes a transparent grid.
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