Fan Blade Accessory

FIG. 1 is a top perspective view of my new design for a fan blade accessory;

FIG. 2 is a left side view thereof;

FIG. 3 if a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines show portions of the fan blade accessory that form no part of the claimed design.