i quilt my big quilts in sections, i lay out the top batting and bottom like i would as if i were going to do itall then i decide how big of a section i want to quilt at a time ( maybe divide it in fours or 3rds) and starting in the middle of the quilt i spray baste the section im doing first then the top of the quilt that i am not going to quilt yet i fold back and cut the batting number it as to where it will go back in later set it to the side then i dont have so much bulk to roll as i am quilting after doing the middle section i lay the quilt out put in the next sections batting spray it and quilt it then go on the the next section i find this a lot easier than trying to quilt the whole thing under my small sewing machine