FIG. 1 is a perspective view of the folding door;
FIG. 2 is a front view of the folding door of FIG. 1;
FIG. 3 is a back view of the folding door of FIG. 1;
FIG. 4 is a left view of the folding door of FIG. 1;
FIG. 5 is a right view of the folding door of FIG. 1;
FIG. 6 is a top view of the folding door of FIG. 1; and,
FIG. 7 is a bottom view of the folding door of FIG. 1.
The evenly spaced broken lines in the drawings depict environment that forms no part of the claimed design. The dash-dot-dot-dash broken lines in the drawings depict boundary lines. The portion of the design between the boundary lines forms no part of the claimed design.