water bottle adapter 3d models

I've read only an Spanish copy, so some details may be wrong because of translation issues and adaptations. Before printing anything, please, read this paragraph. I made this in various parts, depending on the scale, so they can be printed...

Many things were changed or adapted to be more realistic, like make the contour and some rooms more symmetrical. The Reactor room is highly distorted because of the presence of the thruster. Structures and drops within the habitat are highly...