Originally Posted by
ManiacQuilter2
I prefer using flannel on a design wall because your blocks will stay in place. Batting can get a bit of dust over time. I just run the lint rollers over my design walls. Home Dec fabric would not have the ability to keep you block in place without using pins. I just covered 1" styrofoam insulation with flannel.
I use flannel also on Styrofoam.When pieces get larger even on flannel you may need to pin.I do not think home dec will hold pieces at all without pinning.