Bulvar 216 is one of the important trade center in Asian part of Istanbul because of it's location. Due to its proximity to the city center and the financial district, it has a great importance for the users. It contains stores and moduler offices in various metersquares. It consists of five floor above ground with a close form to pentagon. With variable cross-sectioned precast materials, the step-back effect is getting stonger. Also it harmonises with Atasehir Mimar Sinan Mosque with pure white materials and curvilinear forms.