Choose to do mine in Red/Pink/White/Black
and I did up a Parcel Card
I saw several different designs of this card on line and one wouldn't stand up well and another didn't have the front flat area to make a scene so I came up with my own in inches instead of cm or mm.
Here are the directions...
fold first pic to look like this..
this has pic 1 laying on top of pic 2
After you have all your layers cut out to fit your bases then you can tape down.
this is the Boxes Template
Hopefully you will be able to just bring it up on your printer and tell it to print full size..
Really hope you give it a try! I sure have had fun making it...