diagonal cross piece 125 is provided to square each grid as shown in fig2 connector 101 provides attachment points for the grid system a connection point 207 is provided for alignment of the connector 39 s vertical position and additional functions including but not limited to an attachment point and hold down for walls and other building elements connection point 209 is provided for attachment to rigid spanner 100 connection point 206 is provided for diagonal cross piece 125 alternatively the connector plate can be rotated 90 degrees with connections to the spanners and cross pieces rotated accordingly in the embodiment shown fig2 connector 101 is square but as would be understood by one skilled in the art it be rectangular or round and provide its intended purpose fig3 illustrates connector 101 with spanners 100 and cross piece 125 attached additionally height adjuster 302 is shown attached to connection point 207 and resting on bearing plate 303 height adjuster 302 as shown in fig3 incorporates a threaded surface for mating with the threaded surface of connection point 207 it is understood that the connection of height adjuster 302 to connection point 207 could be provided by any method that would allow for adjustment until fixed attachment is desired as shown height adjuster 302 is non adjustably attached to bearing plate 303.