Large Communal Project

Okay, so I've been gone a little while, although while I did lose a little interest due to personal stuff, I never got rid of any of my critters, so I'm back for now.

First off, I have a big fish tank, about 1.2 metres long, and 60cm wide and high.
I have a P. planicauda which is gravid. Now, I came up with the idea of using this tank to make a large, natural, communal setup. Whether or not P. planicauda is communal remains to be seen, but I suspect with their small size, and the cages size, their should be enough space for say Ten to establish their own territory.

Now, any thoughts on this idea? This would be my first large scale project without having to spend a single cent on supplies as everything can be found at the habitat where the Female was originally found

They are not communal, I wouldn't try it. I kept a few lower instars together and freshly molted specimens were eaten within a day's time.