You can place, and sleep in, the bed on walls or ceiling in an outpost. when you wake you are still in the bed, when you exit the bed you fall to the floor, if its high enough you take damage.
The water dispenser can be mounted to the ceiling or wall.
Airlock doors an be installed upside down at the top of a wall, or horizontal at the edge of the ceiling, the door will fit if turned to match the door frame orientation.

Fixing orientation of objects to prevent this issue would cause problems, you need to turn a bed or door sideways to fit through a doorway.

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