I found pool noodles work well if the quilt is under the noodle length. I roll up my top, roll up the backing and the tape the beginning of the backing to my table. I roll out about a foot of my backing, smooth the quilt batt over the top of the backing and start in rolling the top on top of the batt. When I reach the edge of my table, I pin or glue the top section. I then I tape the back and slide the basted part over the edge of the table and continue unrolling until I reach the bottom.
If I am using Hobbs 80/20 fusible quilt batt ( love it) I spread my backing completely out on my basement carpet, smooth the batt out, smooth out my top and iron from the middle out. Once the top is all fused, I put a few safety pins around the edge of the sandwich, flip the whole sandwich over and iron the back until fused. I usually have to move the safety pins after ironing the back and repin the edge.