This is a free two page PDF mounting template that you can download and print on two standard 8.5 by 11 inch sheets of paper.
Make sure and DO NOT scale this pdf when you print it. This is critical. Choose the 100% scale, or Do Not Scale option when printing. Otherwise, your gonna have a bad day trying to mount these babies. This template has 1 inch and 1 cm scale lines to check to make sure you have printed it correctly. You will need to cut the second page, and then carefully line up the two pages and tape them together to use it.