The Hidden Boxes project responds to the ongoing dominance of monotonous spatial structures in contemporary architecture, despite historical concepts like Raumplan, Domino, and Universal Plan. It seeks to deconstruct these configurations to create a new synthesis, addressing both internal architectural concerns as spatial organization, the Mass/Void relationship, and surface interactions and external factors, including climate, privacy, and cultural needs.

The architectural Kasa office was established in 2019 by Yahya Kashi in collaboration with Elham Sadeghian, with a focus on architecture and research design. The trajectory of Kasa’s projects consistently centers on experimental work, intellectual exploration, and a critical approach aimed at advancing the architectural discipline. The office’s team is committed to continuous study and practice.

The architectural KASA office was established in 2019 by Yahya Kashi in collaboration with Elham Sadeghian, with a focus on architecture and research-based design. The trajectory of KASA’s projects consistently centers around experimental work, intellectual exploration, and a critical approach aimed at advancing the architectural discipline. The office's team is dedicated to continuous study and practice.