Originally Posted by
ragamuffin
I would open the pattern and read it. Then take some scrap fabric and make up a block and see how it goes. Maybe you will not need the ruler. Best of luck!
Yep I agree. I think this is the best solution. I just wanted to be sure I wasn't missing out on a really great trick of a notion that I would be so happy to own. A practice block is definitely needed here! Thanks for the all the great input.