How about a 2 story Circular Guard Tower (No open Top)

[Manchine]

Looking for a 2 story Circle Tower with a roof. Think of a small keep.

[damned]

As a starting point are these any use to you?
7860

https://www.youtube.com/watch?v=hpg_-fUrGnU

[Manchine]

Thanks yeah this works. =)