The ornamental design for a blenderattachment, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a top perspective view of a blender attachment according to the present invention;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a first side view thereof;
FIG. 4 is a second side view thereof, opposite the first side view;
FIG. 5 is a third side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines shown in the drawings represent unclaimed portions and form no part of the claimed design.