Creek Bank Creations Standing Pop Up Die. This wafer thin die will fold flat and fit into an A2 card envelope. You can make the card with the oval opening, or make the card without it.
Our Scandinavian Ornament dies fit in the oval opening of this die, linked here. Our Scandinavian Paper Pad works well with this die set, found here. 
You do need the extended cutting pad  in order to cut this die!  You can find it on our website here!