## Icon > Our mission is to make affordable, ecological housing accessible to everyone. > The OBI system is open source, collaborative and distributed. Our focus is on low cost and rapidly-built structures that are modular, ecological, and energy efficient. [https://www.openbuildinginstitute.org/](https://www.openbuildinginstitute.org/ "https://www.openbuildinginstitute.org/") ![](https://www.openbuildinginstitute.org/wp-content/uploads/2016/06/Screen-Shot-2016-06-24-at-11.57.37.png?format=750w)