Paid. EDIT: managed to fit everything in mine to a 10x10x10 square. Barely. Here's a little peek at what I made (That item elevator took forever...)
name: cube45 booth: large floor: 1 EDIT: payed! EDIT II: not yet payed... EDIT III: payed!... again...
Each floor well have the same lay out provided they fill. large booths well remain in the corners regardless, but your entrance to your room none the less well be close