First castle project started with a circle, eventually the layout turned into this:

The result of building it was this.

Scrapped because of snow update in 1.0.
Newest project starting with this:

In-game layout turned into this so far:

going to completely dedicate myself to this.
It'll basically be a tall-walled in city.
like, three layers of walls going upwards.
it might sort of resemble Minas Tirith, but not really.
Oh, and the weird arrow thing on the left is where the entrance/exit of the Airship carrier will be
The diameter of the circle is 175 blocks