Originally Posted by MadQuilter

I tape the backing down taut (but not over stretched) with blue painter's tape. Then I smooth the batting on top and smooth the (well-pressed) top down. I usually work in quarter sections to make the smothering easier.

I also plan my quilting design before placing the pins. Pins are generally hand-width apart using warm and natural batting. The tape can come of once I start pinning the sandwich.