I claim the ornamental design for a paper crumpler, as shown and described.
FIG. 1 is a front perspective view of a paper crumpler;
FIG. 2 is a rear perspective view of the paper crumpler of FIG. 1;
FIG. 3 is a top plan view of the paper crumpler of FIG. 1;
FIG. 4 is a bottom plan view of the paper crumpler of FIG. 1;
FIG. 5 is a right side elevational view of the paper crumpler of FIG. 1;
FIG. 6 is a left side elevational view of the paper crumpler of FIG. 1;
FIG. 7 is a front side elevational view of the paper crumpler of FIG. 1;
FIG. 8 is a front perspective view of the paper crumpler of FIG. 1 removing portions of the phantom paper roll supporting structure for clarity of disclosure; and,
FIG. 9 is a rear perspective view of the paper crumpler of FIG. 1 removing portions of the phantom paper roll supporting structure for clarity of disclosure.
The broken lines in the drawings depict unclaimed environmental subject matter.