Originally Posted by Candace
It's preference. I prefer a one inch seam allowance if the block is in the 8 inch or larger range. Under that 1/2" is o.k. Flannel for 3 layers is fine or you can put batting in the middle. Or even 2 layers of flannel if you don't want a warm quilt. It's really up to you.
If you use batting, it is cut the size of the finished block and sewn inside the block. It doesn't hang out.