Kettle Base

FIG. 1 is a front perspective view of a kettle base showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a top view thereof.

The broken lines in the drawings and the areas within them depict portions of the kettle base that form no part of the claimed design.