Even in the middle of galactic conflict trade, legal or otherwise, must flow. The Customs House sees the appropriate tariffs and tithes are extracted from imports and exports. In these hard times its easier to slip the inspector a few credits and let him doctor the books.
The Customs House is a two level tower with a foam hemisphere top piece. It occupies a 5 &1/2 inch square footprint stands over 10 inches tall. The different levels and roof are all removable for full access to the structure. Made of sturdy 3mm MDF board and precision laser cut.