I claim the ornamental design for a multifunctional grinder, as shown and described.
FIG. 1 is a front view of a multifunctional grinder, according to the claimed design;
FIG. 2 is a partial cross-sectional view of the multifunctional grinder of FIG. 1, depicting a bottom portion of the multifunctional grinder in a cross-sectional view;
FIG. 3 is a rear view of the multifunctional grinder of FIG. 1;
FIG. 4 left-side view of the multifunctional grinder of FIG. 1;
FIG. 5 is a right-side view of the multifunctional grinder of FIG. 1;
FIG. 6 is a top view of the multifunctional grinder of FIG. 1;
FIG. 7 is a bottom view of the multifunctional grinder of FIG. 1; and,
FIG. 8 is a perspective view of the multifunctional grinder of FIG. 1.
The broken lines in the drawings depict portions of the multifunctional grinder that form no part of the claimed design.