The ornamental design for a wallbase with curvedprofile, as shown and described.
FIG. 1 is a perspective view of a wall base with curved profile showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a right elevation view thereof;
FIG. 5 is a left elevation view thereof;
FIG. 6 is a rear elevation view thereof; and,
FIG. 7 is a bottom plan view thereof.
The wall base with curved profile is shown with a symbolic break in its length. The appearance of any portion of the wall base with curved profile between the break lines forms no part of the claimed design.