The ornamental design for a wedgeshoebase, as shown and described.
FIG. 1 is a perspective view of wedge shoe base showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left-side view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The texture lines and broken lines on the shoe are for the purpose of illustrating portions of the wedge shoe base and form no part of the claimed design.