The one hole drilled in the system resulted in a hole 1/8" from the bottom edge of the canopy. Too close for comfort. The solution is to re-drill the hinge half and the square tubing about 1/8" up and to the rear. And then drill the plastic. If that doesn't work. I've got a hinge half with wider flanges. The problelm with this approach is holes must be postioned within the side of the square tubing. Oh well...win some lose some.