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Very loosely based on an image from here (Scroll down to the bottom).
The ship is Perry Rhodan inspired (sort of, it started as an outrigger for a shuttle), that huge upturned bowl is a shield to prevent accidents to the rest of the "unmodeled" landscape. As you can see it's all still in grey primer, don't know what to paint with...
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Polygon count is on the 30-40k region, a lot of lathes, splines, lattice modifiers and regular polygons with some booleans, extrusions and bevels thrown into the mix.
Some closer shots of the central models: here and here.