The ornamental design for a grip for paper trimmer, as shown and described.
Description:
FIG. 1 is a perspective view of the grip for paper trimmer;
FIG. 2 is a top view;
FIG. 3 is a front view;
FIG. 4 is a left end view;
FIG. 5 is a bottom view;
FIG. 6 is a rear view; and,
FIG. 7 is a right end view thereof.
The broken lines in the figures showing portions of the paper trimmer in FIGS. 1-7 are for illustrative purposes only and form no part of the claimed design.