I used extra loft poly so it would be light weight for the summer. I bought the top online for my long arm quilting class. None of the blocks laid flat, they were what we call "C or D cups". I really had to do a lot of quilting to get them to lay flat. Sashing was a stencil and used rulers to sew them out. Continuous curves with rulers and the rest was freehand. Need more practice there again. Hope you enjoy.