Spaceship Ladder Well

Inspired by the Alien vs Predator the hunt begins board game, This is a ladder well to go with the Hatch scenery piece - Hatch - STC Design by Gynovin (thing: 2900695) so that I could have multiple decks in a game.
edit: I have added a taller version (this had an error which caused it fail to adhere properly to the bed, I have now corrected it).
On the Facebook AvP wargamer group someone created a very good Nostromo ladder entry, I have added to this the bottom of the ladder which I made by m