Gabo, however, used a new system in which he employed a ‘stereometric cube.” This schematic design involved removal of four of the six sides of the cube, while retaining the top and the bottom, and replacing the rejected planes with two internal, interlocking diagonals. Thus the illusion of solid mass within the cube could be destroyed, allowing the interior space to appear open and free. After leaving Russia (about 1915), Gabo joined his brother and fellow sculptor Antoine Pevsner in Norway. Of this productive sojourn he said, “I was living in the fjords of Norway where the atmosphere was as if one were not of this world. Very often.