Eve Online - Minmatar Battlecruiser - Tornado Class
I have included both my working files, as I ran a test by hand-cleaning it through Blender, and running an auto-repair in Netfabb. The final version is one with the rear vents cleaned up to a flat surface, as I don't imagine the vents printing overly well on smaller scale prints.
These work in Magics, however my intuition tells me you won't be able to order prints, purely due to the limitations - i.e. the files being shells.
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