The ornamental design for a quilting patterntemplate, as shown and described.
FIG. 1 is a top view showing the design of the quilting pattern template.
FIG. 2 is a perspective view showing the design of the quilting pattern template; and,
FIG. 3 is a side view showing the design of the quilting pattern template.
The broken line showing of two differing quilting patterns is included for the purpose of clearly illustrating and completely disclosing all parts of the claimed design.