The ornamental design for a pillboxorganizer, as shown and described.
FIG. 1 is a front and right side perspective view of an ornamental design for a pill box organizer showing my new design;
FIG. 2 is a rear and right side perspective view of the pill box organizer;
FIG. 3 is a front view of the pill box organizer;
FIG. 4 is a rear view of the pill box organizer;
FIG. 5 is a left side view of the pill box organizer;
FIG. 6 is a right side view of the pill box organizer;
FIG. 7 is a top view of the pill box organizer; and,
FIG. 8 is a bottom view of the pill box organizer.
The broken lines in the drawings depict portions of the pill box organizer that form no part of the claimed design.
Any shading and cross-hatching are not features of the design but are utilized to illustrate the surface contours of the pill box organizer in the drawings.