[quote=@jasonwolf]
[img]https://c2.staticflickr.com/8/7370/26972689440_41d84618c8_o.png[/img]

While I'm obviously no master I think this gives a solid basic idea of what the exterior might look like.
[/quote]

Looking good so far! But I think it might be easier to find art that looks likethe building your envisioning, and then use Minecraft to build the inside of the building