Well if one cares about symbolism https://pic8.co/sh/pFXP5y.jpeg a black cube... https://en.wikipedia.org/wiki/Black_cube >Black cube may refer to: Black Cube, a private intelligence agency Blackballing, a vote of rejection in a secret ballot The Kaaba, a black cubical building at the center of the Grand Mosque of Mecca; it is the most sacred site in Islam Tefillin, a small black leather cube used by Jews during prayer;