Accessory for an electronic device

FIG. 1 is a bottom front perspective view of an accessory for an electronic device showing the claimed design;

FIG. 2 is a bottom rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a perspective view thereof showing the claimed design in an environment in which it may be used.

The broken lines in FIG. 9 show environment that form no part of the claimed design.