Thread cartridge for embroidery machine

FIG. 1 is a perspective view of a thread cartridge for embroidery machine;

FIG. 2 is an expanded perspective view thereof;

FIG. 3 is a front view of thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a left side view thereof.

The top, bottom and right side views of the thread cartridge for embroidery machine contain no ornamentality and are omitted. The bottom lines define the bounds of the claimed design but form no part of the claimed design.