Foldable Test Tube Rack

FIG. 1 is a front view of a foldable test tube rack showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is a left side view thereof in a folded state;

FIG. 9 is another perspective view thereof in a partially folded state; and,

FIG. 10 is another top plan view thereof in an unfolded, developed state.

The broken lines in the drawings depict fold lines and form part of the claimed design.