I claim the ornamental design for a trimmer stand, as shown and described.
FIG. 1 is a perspective view of a trimmer stand showing my new design;
FIG. 2 is an elevation view of a first side of the trimmer stand of FIG. 1;
FIG. 3 is an elevation view of a second side of the trimmer stand of FIG. 1;
FIG. 4 is an elevation view of a first end of the trimmer stand of FIG. 1;
FIG. 5 is an elevation view of a second end of the trimmer stand of FIG. 1;
FIG. 6 is a top view of the trimmer stand shown in FIG. 1; and,
FIG. 7 is a bottom view of the trimmer stand shown in FIG. 1.
The present application is directed to the design illustrated in the figures. The broken lines shown in the drawings illustrate portions of the trimmer stand and form no part of the claimed design.