If your squares finish at 2.5 your pieced blocks will be 12.5 finished. If you change your borders to 2.5 finished you would need to trim your center pieces all the way around to give you 7.5 center finished and 5 inch total borders for the 12.5 to match your pieced block
Last edited by cjsews; 08-05-2019 at 04:57 PM.