FIG. 1 is a front perspective view of the foldable case for an electronic device, according to our new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a left side elevation view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is an enlarged portion of FIG. 1;
FIG. 10 is an enlarged portion of FIG. 2;
FIG. 11 is an enlarged portion of FIG. 3;
FIG. 12 is an enlarged portion of FIG. 4; and,
FIG. 13 is an enlarged portion of FIG. 8.
The broken lines of even length depict portions of the foldable case for an electronic device that form no part of the claimed design. The broken lines of uneven length identifying portions of the foldable case for an electronic device that are enlarged form no part of the claimed design. The broken lines of uneven length that encircle enlarged portions of the foldable case for an electronic device form no part of the claimed design. The remaining broken lines of uneven length are boundary lines that form no part of the claimed design.