FIG. 1 is a first perspective view of a first embodiment of a shelving unit showing my new design;
FIG. 2 is a second perspective view of the first embodiment thereof;
FIG. 3 is a front view of the first embodiment thereof;
FIG. 4 is a back view of the first embodiment thereof;
FIG. 5 is a left side view of the first embodiment thereof;
FIG. 6 is a right side view of the first embodiment thereof;
FIG. 7 is a top view of the first embodiment thereof;
FIG. 8 is a bottom view of the first embodiment thereof;
FIG. 9 is a first perspective view of a second embodiment of a shelving unit showing my new design;
FIG. 10 is a second perspective view of the second embodiment thereof;
FIG. 11 is a front view of the second embodiment thereof;
FIG. 12 is a back view of the second embodiment thereof;
FIG. 13 is a left side view of the second embodiment thereof;
FIG. 14 is a right side view of the second embodiment thereof;
FIG. 15 is a top view of the second embodiment thereof;
FIG. 16 is a bottom view of the second embodiment thereof;
FIG. 17 is a first perspective view of a third embodiment of a shelving unit showing my new design;
FIG. 18 is a second perspective view of the third embodiment thereof;
FIG. 19 is a front view of the third embodiment thereof;
FIG. 20 is a back view of the third embodiment thereof;
FIG. 21 is a left side view of the third embodiment thereof;
FIG. 22 is a right side view of the third embodiment thereof;
FIG. 23 is a top view of the third embodiment thereof;
FIG. 24 is a bottom view of the third embodiment thereof; and,
FIG. 25 is an enlarged view of the selected portion 25 in FIG. 1.
The broken lines shown in the drawings depict portions of the shelving unit that form no part of the claimed design.