FIG. 1 is a bottom, front and right side perspective view of a paper trimmer showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a bottom, front and left side perspective view showing the paper trimmer in a use state;
FIG. 8 is an enlarged view of portion 8 in FIG. 3; and,
FIG. 9 is an enlarged view of portion 9 in FIG. 6.
The broken lines indicating the enlargements form no part of the claimed design.