Get the 12x12 sheet of 3M 4905 VHB Tape, place it on the table, red adhesive backing up, with the overhanging white adhesive backing on the top and bottom.

With a ruler, measure and mark 3mm from the right edge at the top and bottom of the 4905 sheet.

Some of the precut adhesives available for the glossy screen have failed with the aluminum bezel. 3M 4905 appears to be what Apple is using here, and it works.