The ornamental design for a cuttingtool, as shown and described.
FIG. 1 is a first perspective view of a cutting tool showing my new design;
FIG. 2 is a second perspective view;
FIG. 3 is a front view;
FIG. 4 is a rear view;
FIG. 5 is a left side view;
FIG. 6 is a right side view;
FIG. 7 is a top plan view;
FIG. 8 is a bottom view;
FIG. 9 is a perspective enlarged view of a part shown in FIG. 1 indicated by 9; and,
FIG. 10 is a perspective enlarged view of a part shown in FIG. 2 indicated by 10.
The broken lines shown in drawings represent portions of the cutting tool that form no part of the claimed design; The dash-dot-dot-dash lines represent the boundary of the claimed design and form no part of the claimed design.