The ornamental design for shredder, as shown and described.
1. Shredder
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
1.1: Perspective
1.2: Front
1.3: Back
1.4: Right
1.5: Left
1.6: Top
1.7: Bottom
The orange color is an essential feature of the design; the parts of the design having an achromatic color are limited to an orange color; they could have any color.
The broken lines in the figures are for the purposes of illustrating portions of the shredder or environmental structure and form no part of the claimed design.