Cat Tree Tower

FIG. 1 is a front perspective view of a cat tree tower showing my new design;

FIG. 2 is rear perspective view thereof;

FIG. 3 is a left-side perspective view thereof;

FIG. 4 is a right-side perspective view thereof;

FIG. 5 is a top perspective view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings illustrate the portions of cat tree tower which form no part of the claimed design.