Oh I would never use foam for a quilt, I ment its a handy and cheaper alternative for door hangings, like the one below for example
I would never recommend using foam in any type of quilt. Foam will sweat, causing it, eventually to go moldy. It will end up ruining all your hard work.
Great tip - why don't you submit that to Emblibrary - it might be worth it - when you receive a coupon from them - go for it. *4U