The hinge straps of the Cube doors are directly and permanently keyed to the wall. The frame does not have to withstand any forces but only serves to cover the wall opening.
This proved key applies for all Cube elements: Revolving, sliding, swing doors.
Using a specific technique, the Cube in “reverse” version, peace is created in a space. This system makes it possible to install all the doors flush to the wall, regardless of the opening direction.