The ornamental design for a modular storageunithavingpull-out shelves or similar article, as shown and described.
FIG. 1 is a perspective view of a modular storage unit having pull-out
shelves or similar article showing my new design with the lower shelf
partly pulled out; and
FIG. 2 is a perspective view of an alternate embodiment of the modular
storage unit having pull-out shelves or similar article. The side and
bottom not shown in FIGS. 1 and 2 are mirror images of the side and top
surfaces shown. The rear surfaces are plain and unornamented except for
the separation lines between the components corresponding to those shown.