How to simulate a fluffy bedding with cloth ?

[kirompower]

I was trying to simulate a fluffy bedding with cloth but what ever I try the final result looks flat. Adding a solidify modifier doesn't help, trying to mimic the shape with the collision object doesn't look very good. Is there a way if the cloth is a solid object ( not a plane ) the cloth to stay "inflated" after the simulation as if there was really some stuffing in it ?
Here is my try:



P.S. Sorry for my lame English