The ornamental design for a set of supportstructures for a foodguardsystem, as shown and described.
FIG. 1 illustrates a perspective view of the set of support structures for a food guard shield.
FIG. 2 illustrates a left-side perspective view of the support structure shown in FIG. 1.
FIG. 3 illustrates a top plan view of the support structure shown in FIG. 2.
FIG. 4 illustrates a side plan view of the support structure shown in FIG. 2.
FIG. 5 illustrates a bottom plan view of the support structure shown in FIG. 2; and,
FIG. 6 illustrates a front plan view of the support structure shown in FIG. 2.
One illustrative embodiment is provided. The illustrated embodiment shows the form of a support structure of a food guard system. The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.