I like using 100% cotton stabilizier when I make my Tee shirt quilts. You don't even know you have used stabilzier after it is washed. There are many different patterns to make tee shirt quilts, so check on line. I like the ones that have sashing inbetween. You can check on my site for some that I have done if you like ... erinsstitches.weebly.com
I can't wait to see what your finished product is.