3ds max colony base moon moonbase - Moonbase Alpha by MadAboutGames

Not only can this base be used on the moon but also mars and other environments.

The colony is 251 thousand polys and has detail throughout the huge colony base. Features include satellite dishes, radio masts, antennas, hatches, airlocks, windows with basic interiors, vents, lights, corridors, storage tanks, landing pads, solar panels and a variety of other details.