Case for electronic device

FIG. 1 is a rear, left and bottom perspective view of a case for electronic device showing our new design;

FIG. 2 is a front, right and top perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The even broken lines shown in the drawings depict portions of the case for electronic device that form no part of the claimed design. Unshaded surfaces bound by broken lines form no part of the claimed design.