I claim the ornamental design for a tool organizer, as shown and described.
FIG. 1 is a front perspective view of a tool organizer showing my new design;
FIG. 2 is a back perspective view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top perspective view thereof, with the tool organizer open and with a zipper shown in broken lines;
FIG. 6 is a second top perspective view thereof, with the tool organizer open and with exemplary tools contained therein and the zipper shown in broken lines; and,
FIG. 7 is a bottom view, with the tool organizer closed and with treads shown in broken lines.
The rivets, zipper, bottom treads, and tools shown in broken lines and described herein are for illustrative purposes only, and form no part of the claimed design.