Originally Posted by katier825
I recently did one. I used fusible tricot interfacing and applied it with the stretch in the opposite direction of the way the shirt stretched. Then trimmed it down and worked with it as though any other fabric. It came out great, and it was very soft, not stiff like I was expecting.
Woven fusible interfacing also works well, as does lightweight fusible Pellon, which is what I used in my niece's t-shirt quilt.