Re: Love, hate and the AMT Enterprise model
^^ If I understand correctly, what you describe is pretty much how the nacelles and struts are engineered on the Polar Lights 1/1000 scale TOS Enterprise
kit. The inboard halves of the engine pylons and the section of the secondary hull between them are all molded in a single piece of plastic. The upper ends of the pylons have tabs that lock into slots in the nacelles. If you build it right, the nacelles are aligned and won't droop.
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