"Then we box 'em up and ship them straight to your door-step, so you can PROTECT the things that matter most. *Goodnight*. Just try and get close to that baby. HA, your funeral. Cave Johnson, we're done here."
Here is the back-side of the box. Now if you're wondering, the cardboard I used... I have no clue as to where it came from. It was just sitting in between two books in my bookshelf, serving no purpose.
Anyway, to get this model, just go to cubeecraft.com.
Again, I do not own this, nor do I know how to design paper models. I found it on the internet, downloaded it, printed it, cut it out, and glued it together. That is all.