Ditto for me. Have you tried Rhonda's blocks? I just finished her October block swap and it was so accurate at 12.5 (before putting it in a quilt.) I used a Boston block and it turned out really nice.
Originally Posted by
maine ladybug
I completely agree that a block is 1/2 inch larger than a FINISHED block. So yes, a 12 1/2 inch block put into a quilt becomes a 12 inch block.