FIG. 1 is a perspective view of the corner jig.
FIG. 2 is a side elevation view of the corner jig shown in FIG. 1 of which the other side is a mirror image.
FIG. 3 is a top plan view of the corner jig shown in FIG. 1; and,
FIG. 4 is a bottom plan view of the corner jig shown in FIG. 1.