The ornamental design for a cone for packaging, as shown and described.
1. Cone for packaging
1.1 is a perspective view;
1.2 is a side view;
1.3 is an unassembled top view;
1.4 is a bottom view;
1.5 is a top view;
1.6 is a rear view;
1.7 is a perspective rear view;
1.8 is a partially assembled top view;
1.9 is a perspective view;
1.10 is a perspective view;
1.11 is a perspective view; and
1.12 is a front view.
The claimed design concerns the cone for packaging; it is made from a rectangular biodegradable plastic sheet and a cord; there are several holes on the plastic sheet through which a cord can be inserted; when the cord is braided through the holes and its two ends are tied each other, the cone gets the final shape of the claimed design.