In the Gaz-Grid Analysis shown in fig 16 the grid is of 2.5 gaz. The over-all length 62gaz; the width of the court 40gaz; the central Veranda of the Sheesh Mahal 20gaz; the side double storey verandas 10 gaz; the inter-columnar distances for the two verandas 6gaz and 3gaz respectively; Length of the Naulakha Pavilion in the West 10gaz, the round portion of the central pool 13gaz.
Figs. 15 & 16 show the ‘Geometrical’ and ‘Gaz-grid’ analyses respectively, of the Sheesh Mahal built by Shah Jahan in the Lahore Fort in 1630-31 AD. The Geometrical Analysis (fig 15) shows that all the main divisions of the plan are derived from a series of rotating and inscribed squares.
Thus once sees that the design of the building utilises two processes simultaneously, namely ‘geometric’ and ‘analytical’.
The design was first drawn more or less theoretically, according to geometric proportions. Then, the analytical process was applied, and one dimension within the design was selected as a module. This module would be equal to, or commensurate with the gaz.
 This mirrors the process outlined for Timurid Architecture by Golombek and Wilber, The Timurid Architecture of Iran and Turan, basing themselves on the definitive Russian work of Bulatov, M.S, Geometricheskaiia Garmonizatsia v Arkhitekture Ssrednei Azii IX-XV, Moscow, 1978.
Golombek and Wilber, The Timurid Architecture of Iran and Turan, Op.cit. p 139