Lamp of Sacrifice
dedication of man's craft to God, as visible proofs of man's love and obedience.
Different depths of walls, observed from different positions, allows the window to disappear and appear again.
The wall is made out of triangular elements in this version getting higher towards the ground, the opening is tested as a Gothic window in this case.
In this version, the wall is made out of a metal sheet, like a card tower and partially covered with another flat perforated element representing the sacrifice for detailing a wall.
The final wall is made out of two types of components, open vs closed, according to the position of the observer, the windows can either be seen or are hidden.