Dimensional Storage Device (DSD): Thanks to reverse engineering alien technology, it's a device that contains a pocket dimension that allows for storing inanimate objects, whether organic or inorganic. This helps in maintaining supplies and logistics as they now have more space to store and carry items.

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Orbital Elysium: A ring-shaped habitat orbiting a planet with utopian artificial landscapes.

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Interstellar Habitat: A bigger version of space habitats, these encompass an entire star system in order to provide for more living space and resource management.

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Alderson Disk: A gigantic solar-system sized plate offers tremendous quantities of living space and can be customized to suit one's own needs. Built with hyper-segments, each segment specializes in different fields such as Gaia Alderson Slice, Alderson Computer Complex, and Ecumenopolis Alderson.

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Nidavellir Hyperforge/Neutronium Gigaforge: Enormous structures for alloy production that can fuel all kinds of industries across an entire galaxy. 

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Hyperstructural Assembly Yard: Featuring dozens of shipyards, this grand construct can assemble grand armadas in mere months, if not days. 

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Brich World: Constructed around a supermassive Black Hole at the galactic core. This habitat is capable of endless living space and infinite districts.

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Lunar Macro-Fabricator: Is capable of generating and creating new moons out of harvested planetary mass.

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Yggdrasil Orchid: Transforms a Gas Giant into a colossal form which produces significant qualities of food by cultivating specialized planets floating in the gas giant's atmosphere.