The ornamental design for a plasmatorch, as shown and described.
FIG. 1 is right rear perspective view of the design for the plasma torch;
FIG. 2 is a front left perspective view of the design for the plasma torch of FIG. 1;
FIG. 3 is a right view of the design for the plasma torch of FIG. 1;
FIG. 4 is a rear view of the design for the plasma torch of FIG. 1;
FIG. 5 is a front view of the design for the plasma torch of FIG. 1;
FIG. 6 is a top view of the design for the plasma torch of FIG. 1; and,
FIG. 7 is a bottom view of the design for the plasma torch of FIG. 1.
In these drawings, the solid lines illustrate the claimed ornamental design, whereas the broken lines illustrate environmental features that form no part of the claimed ornamental design.