The ornamental design for a shelf for indoor plantcultivators, as shown and described.
FIG. 1 is a front perspective view of the shelf for indoor plant cultivators showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is an exploded view showing the state of the upper and lower parts; and,
FIG. 9 is a perspective view showing the state of use in which the pod with the soil and seeds has been placed at the top part of the claimed design, and then the claimed design with the pod is being installed at the inside of the indoor plant cultivators.
The portions of FIG. 9 drawn in broken lines show environmental structure only and form no part of the claimed design.