FIG. 1 is a bottom perspective view showing our new design for a marker refill;
FIG. 2 is a top perspective view of the marker refill of FIG. 1;
FIG. 3 is a front elevational view of the marker refill of FIG. 1,
FIG. 4 is a left side elevational view of the marker refill of FIG. 1;
FIG. 5 is a rear elevational view of the marker refill of FIG. 1;
FIG. 6 is a right side elevational view of the marker refill of FIG. 1;
FIG. 7 is a top plan view of the marker refill of FIG. 1.
FIG. 8 is a bottom plan view of the marker refill of FIG. 1;
FIG. 9 is a bottom perspective view showing the marker refill of FIG. 1 with the cap removed;
FIG. 10 is a top perspective view of the marker refill of FIG. 9;
FIG. 11 is a front elevational view of the marker refill of FIG. 9,
FIG. 12 is a left side elevational view of the marker refill of FIG. 9;
FIG. 13 is a rear elevational view of the marker refill of FIG. 9;
FIG. 14 is a right side elevational view of the marker refill of FIG. 9;
FIG. 15 is a top plan view of the marker refill of FIG. 9, shown without the cap for convenience;
FIG. 16 is a bottom plan view of the marker refill of FIG. 9;
FIG. 17 is a bottom perspective view showing a second embodiment for our new design for a marker refill;
FIG. 18 is a top perspective view of the marker refill of FIG. 17;
FIG. 19 is a front elevational view of the marker refill of FIG. 17,
FIG. 20 is a left side elevational view of the marker refill of FIG. 17;
FIG. 21 is a rear elevational view of the marker refill of FIG. 17;
FIG. 22 is a right side elevational view of the marker refill of FIG. 17;
FIG. 23 is a top plan view of the marker refill of FIG. 17; and,
FIG. 24 is a bottom plan view of the marker refill of FIG. 17.
The dashed lines shown in the drawings are for environmental purposes only and form no part of the claimed design.