I'm wanting there not to be a big lump at the join as it is also where there is a seam joining the border to the main body of the corduroy quilt. So a seam in the fleece on top of the seam in the corduroy would be a pretty big lump. I'm doing this as a type of QAYG. There is one large piece of fleece for the main part of the quilt and I'm planning on two border pieces at the ends the same finished size (8") as the borders on the front.