The history of Architecture is full of designs that were never built. The seventh “Triangle” event is focused on such projects that are well-known for various reasons. Ali Naghavi Namini introduced one of the most important examples: OMA project for the International Commerce Center of Iran in the Iran Mall complex. Naghavi, the plan manager, spoke of the details of the project, the creativity of the design team in spite of various restrictions, and the causes of not implementing the design.