Originally Posted by DogHouseMom
the first quilting with the water soluble - you only need to stitch the outside of the design. Your only objective is to keep the batting in the exact place.
Now, if your design is not a solid design (let's say you want a trapunto doughnut) you would stitch the outside circle AND the inside circle. You would then trim away the doughnut hole as well as the outside edge.
And then don't forget to change the thread to normal stuff! I know someone that did the center whole cloth quilt in water soluable and then washed it. She then had to pick out the entire then and re-mark and start all over again. Because the center was a mess.