FIG. 1 is a perspective view of a triangle-type cutter disc for a paper shredder showing my new design;
FIG. 2 is a front elevational view thereof, a rear elevational view being symmetrical to the front elevational view;
FIG. 3 is a bottom plan view thereof, a top plan view being symmetrical to the bottom plan view; and,
FIG. 4 is a right side elevational view thereof, a left side elevational view being symmetrical to the right side elevational view.