Originally Posted by jdiane318
I was watching a tutorial on Missouri Star Quilt company and they have a ruler to make a cathedral window quilt that would probably do the same thing that all those rulers did. I'm a bad gadget person, and if it says I need a ruler, I usually get it.
These rulers have a curve on them to line up with your sewn circle for when you make your cut for turning. The arc rulers let you cut your circles to 1/4 inch seam allowance after sewing using your rotary cutter instead of scissors. Love them.