The definitive collection for your request is Alien: The Blueprints

You will never look at the Nostromo corridors the same way once you have seen the HVAC routing on sheet 12.

ThriftBooks: A good option for used copies, with prices starting around $25.79.

is not a generic fan project but a detailed technical art book. It is highly valued for accurate, schematic-level art of the

The answer came as an image: a childhood constellation, a broken radio transmitter beneath the old mill, a fracture in the town’s psychic geography that had been widening for decades. The blueprints were a repair kit meant for creatures whose geometry did not match human architecture. Kepler’s Hollow, where the dish pointed and the pond remembered, was a convenient patch.