Facades are not just on paper sheets : it also work in full scale! The façade of the Cell brick house by Tekuto architects is made out of blocks of walls which voids between each of them to make windows!
For this, you just need to pile shoe boxes or cartons of milk and form a checkerboard pattern.
Our advice : check well before that they all have the same height!
Our shoe boxes hut: easy to build, easy to take down ;-)
You can make the paper version with the activity sheet N.2 :