Originally Posted by
brandeesmom
I have made several string blocks and have not used paper for a foundation. I use a thin interfacing as my foundation to sew my strips. I do not like tearing the paper off, I can leave the thin interfacing in as it does not ad weight to the block and saves me from all that extra work of trying to get the papers removed.
I have used well-used softener sheets. After they've been through the laundry enough times, they are soft enough but still stable to use for foundation. Simply press them flat and leave them in your quilt.