I claim the ornamental design for a set of exercise fixtures, as shown and described.
FIG. 1 is a perspective view of a set of exercise fixtures showing my new design;
FIG. 2 is a left-side elevational view of one of the handle fixtures, the right-side elevational view being a mirror image thereof, the other fixtures omitted for clarity of illustration;
FIG. 3 is a front elevational view of FIG. 2, the rear elevational view being a mirror image thereof;
FIG. 4 is a top plan view of FIG. 2;
FIG. 5 is a bottom plan view of FIG. 2;
FIG. 6 is a front elevational view of one of the vertical post fixtures, the rear elevational view being a mirror image thereof, the other fixtures omitted for clarity of illustration;
FIG. 7 is a left-side elevational view of FIG. 6, the right-side elevational view being a mirror image thereof;
FIG. 8 is a top plan view of FIG. 6; and,
FIG. 9 is a bottom plan view of FIG. 6.
The broken lines showing a gym with wall fixtures in FIG. 1 and circular elements in FIGS. 5 and 9 depict environmental matter that forms no part of the claimed design.