I was curious how a 1/2 scale and 1/4 scale base would look alongside a Fed CA, so I scrounged up some household items and took some pictures.
14" Base (1/2 scale), using 9" foam plates, and 2 1/2" foam balls (too large but close):
7" base (1/4 scale), using a substitute body and 1.75" foam balls:
Personally, I think the 14" base looks about right. I always thought the Star Base was excessively large for the number of system boxes on the Star Base SSD. But there's one pesky thing: According to canon (via the Star Trek Technical Manual), a CA is supposed to be able to dock inside one of those round pods.
I suspect that it would not be acceptable to change the design to better accommodate the miniatures. But if it were my own miniature, I could almost see making those circular pods cylinders 4" long, such that they stick out of the center hub like spokes on a bike. They then would be long enough to put a cruiser inside and service/repair it while it's enclosed. (shirtsleeves environment is easier on the service/repair crews than having to be in spacesuits).
Certainly I could see other Empires having different variations on the basic theme, allowing one to kitbash different style Star Bases. I doubt that it would be a viable project, making Empire-specific Star Bases with different construction styles...unless one was a skilled kitbasher with lots of time on his hands. Which I am not skilled enough.
