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13:58 The footprint of the current 'Ali bin Yusuf madrasa is almost a perfect square, 42 meters long and wide in plan. The longitudinal axis of the plan is rotated thirty-four degrees counter- clockwise from the north-south meridian in order to accommodate qibla orientation; while this rotation is similar to that of other Sa'dian religious structures in Marrakech, the true direction to Mecca would require a counter-clockwise rotation of eighty-nine degrees. The building has only one entrance, a small arched opening at the northern end of the west elevation. Upon entering the madrasa via its diminutive portal at the northwest corner of the building, one walks down a narrow, fully enclosed corridor that is parallel to the north wall of the building, moving eastward. The corridor terminates in a small covered vestibule at the center of the north elevation, on axis with the center of the courtyard. After arriving in this vestibule from the entry corridor, the path turns to the right where the courtyard and the mihrab in the prayer hall on the opposite side of the court are both suddenly visible. The process of entry into the complex and articulation of the threshold between exterior and interior are carefully considered to create this moment of revelation in which the splendor of the courtyard is unexpectedly revealed and carefully framed. The courtyard is 15 meters wide and 20 meters long, and edged by covered open air galleries on its east and west sides. These galleries are defined by solid walls along their outer edges that fully enclose the courtyard and separate it from the inner corridor and students cells that surround it. At the center of the courtyard is a large shallow pool, approximately 3 meters wide and 7 meters long, in place of the typical ablutions fountain. The courtyard is only accessible via the main entry vestibule at the north, or through a large arched portal that opens to the prayer hall at the south. The prayer hall, a rectangular space 15 meters wide and 10 meters long, is only accessible through the courtyard. ୩:57% ) 1of3