I saw a video about spray basting up on a wall so I tried it with my 3 'crooked cobblestone' quilts. I can see that I need to put a lot more pins in the backing so it doesn't wrinkle while I'm smoothing out the batting and then the top.
Then I went straight to the machine and ditch quilted the vertical seams between the columns, and on 2 of them, ditch quilted where the border is sewn on. Now the big decision is how much more quilting and what colors of thread.
Someone asked a couple days ago where to buy builder's Styrofoam sheets. I bought mine at our local lumberyard which has gone out of business, but I think you can find them at Lowe's, Menard's, Home Depot, or whatever home building supply company you have in your area. The sheets are 4' x 8' and come in a lot of different thicknesses. Since mine are freestanding and movable I went with the 1" thick. If you are mounting them on the wall you may want thinner.
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