Okay, so I've started the normal map. I've created a texture in photoshop ( the modulations are fairly subtle, so they might not come across in the image). The overall temperature is warm, but I might add some cooler colours into it. Depends what it looks like. Don't worry about the panels, they'll be more than they are right now.
As for this miracle window, I don't think I'll be touching it. It gives the ship a personality that's lost when it's shrunken. I'm not saying that the Carrack is a great design, but the scale of the window seems to suite it visually. Make the window smaller like in Darksaber's, and the entire ship just becomes mediocre and unmemorable. However, if someone wants to change the window later I won't try to stop them.
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