None of the remaining relief decoration or later Ramesside inscriptions that can be seen today on the reconstructed chapel were reproduced on the model.
The chapel was reconstructed based on the drawings and dimensions provided by Van Siclen (1986: pls. 2-3). Its location and orientation on the model follow the suggestions by Larché (2007: 477-480).
The chapel was given a plain white calcite pattern, created using photographs of the stone from Karnak.
It should be noted that after the model was completed, a new hypothesis for its placement at the temple was offered by Carlotti (2008). He argues that the shrine would have originally stood within the court of the seventh pylon, in a small hall created by the addition of a newly identified east/west running wall bisecting the court (not shown on the model). Following his reconstruction, the chapel would have stood against the west wall of the court, opening inward. A second chapel, made of red granite, mirrored it on the east side of the hall. Both structures were flanked by short partition walls, creating small rooms along the sides of each chapel. Both sides of the court would have been roofed by a pillared portico.