The ornamental design for a treetopper, as shown and described.
FIG. 1 is a front top perspective view of a tree topper according to an embodiment of the invention.
FIG. 2 is a front bottom perspective view of the tree topper of FIG. 1.
FIG. 3 is a front view, the rear view being an identical (or mirror) view thereof.
FIG. 4 is a left side view, the right side being an identical (or mirror) image thereof.
FIG. 5 is a top view thereof.
FIG. 6 is a bottom view thereof.
FIG. 7 is another front view of the tree topper in FIGS. 1-6, but mounted on a tree. Any elements shown in broken lines do not form any part of the claimed design, but are instead included to show environmental aspects thereof.
FIG. 8 is a front top perspective view of a tree topper according to an alternative embodiment of the present invention; and,
FIG. 9 is a front bottom perspective view of the tree topper of FIG. 8.
The broken lines adjacent to the shaded forms are an unclaimed boundary of the design. The broken lines in FIG. 7 depict environmental subject matter that forms no part of the claimed design. The broken lines in FIGS. 1-6 and FIGS. 8-9 depict boundaries that form no part of the claimed design.