The ornamental design for a fanbladeholder, as shown and described.
FIG. 1 is a top elevational view of a fan blade holder showing our new design;
FIG. 2 is a bottom elevational view showing the design for the fan blade holder of FIG. 1;
FIG. 3 is a left side elevational view showing the design for the fan blade holder of FIG. 1;
FIG. 4 is a right side elevational view showing the design for the fan blade holder of FIG. 1;
FIG. 5 is a front elevational view showing the design for the fan blade holder of FIG. 1;
FIG. 6 is a rear elevational view showing the design for the fan blade holder of FIG. 1; and,
FIG. 7 is top perspective view showing the design for the fan blade holder of FIG. 1.
The broken line showing of the coupling portion, the fastener bosses, the contour lining on the bottom side of the blade holder and the fan blade fragment to which the fan blade holder is coupled is included for the purpose of illustrating environmental structure and forms no part of the claimed design.