By far one of my favorite products that i have come across. The QuaDror system is a interlocking structual joint that has been developed into many applications. As a concrete joint its uses range from construction of temporary emergency shelters to a base structure for a bridge.This system has also expanded through other material applications in different sizes . The trestle base used for an initial table design is the basis for his shelter architectural series , ranging from architectural stand alone designs to shelter relief in disadvantaged area’s. Be sure to check out the link an watch the video’s to understand the full impact of which he has achieved here.