The ornamental design for a rigid punchtool, as shown and described.
FIG. 1 is a perspective front view of a rigid punch tool showing my new design.
FIG. 2 is a front elevational view of the rigid punch tool.
FIG. 3 is a rear elevational view of the rigid punch tool.
FIG. 4 is a top plan view of the rigid punch tool.
FIG. 5 is a bottom plan view of the rigid punch tool.
FIG. 6 is a right side elevational view of the rigid punch tool; the left side elevational view is a mirror image of the right side elevational view; and,
FIG. 7 is a perspective top view of a rigid punch tool shown in its environment.
The broken lines of the rigid punch tool are for the purposes of illustrating environment and form no part of the claimed design.