Folding stool

FIG. 1 is a front, left, top perspective view of a folding stool, showing my new design;

FIG. 2 is a rear, right, bottom 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.