The next process is basic repeat the last few steps over and over until you have connected six boxes such as the pictures below
From the top
And from the bottom
Next we will be adding the scenery outline wall to the base.
Next let's cut up some of our cardboard boxes into a few sheets so we use them for our wall like so.
Once you've got a few pieces of cardboard like the above picture it's time to break out the legendary ductape and get to strapping it to the base! Remember it has to be sturdy we'll be adding an inner wall later once we cut out the outline.
Different side views of the wall.
Remember a secure base is a happy base. In the event you have to move this thing, which is highly likely, you'll want something that won't give and crack your environment.
Do this around the entire base until you have something like what is below.