The ornamental design for a raftersquaretool, as shown and described.
FIG. 1 is a perspective view of a rafter square tool showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a side view thereof, wherein the opposite side view is a mirror-image thereof; and,
FIG. 7 is another perspective view, wherein the claimed design is shown in an alternative position with the rafter square tool depicted in a flipped configuration.
In FIGS. 1-2 and 4-7, the broken lines illustrate portions of the rafter square tool and form no part of the claimed design.