https://www.amazon.com/Sizzix-661517...zzix+adapter+g
Accuquilt dies are slightly thinner than Sizzix dies so it's a shim that makes up the difference. I tried working with cardboard first but quickly decided it was just way easier to buy it. When you use a die cutter you are making a sandwich of sorts which you put thru the machine, with a Sizzix it's a piece of plastic on the bottom, the die itself, fabric on top of that, then another piece of plastic. Then you run that sandwich thru your die cutter machine. If you're using an Accuquilt die with a Sizzix machine your sandwich would be: the plastic on the bottom, the adapter, the accuquilt die, the fabric on top of that, and then the other piece of plastic. If you go to youtube and watch a few videos where people are using die cutters it will make more sense.