Structural Base for Plant Roots

FIG. 1 is a bottom perspective view of a structural base for plant roots;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevation view thereof, the rear elevation view being a mirror image thereof; and,

FIG. 6 is a left-side elevation view thereof, the right-side elevation view being a mirror image thereof.

The broken lines illustrating portions of the structural base for plant roots form no part of the claimed design.