I guess it was only a matter of time until someone decided to try and recycle that concept. And why not, especially given how much detail it was illustrated in?
She looks like she could be a potential replacement for the Miranda class. I kind of like how she incorporates design elements from the Sovereign, Intrepid, Nova, Nova (etc.) classes on the bottom hull section.
BTW, is the Civil War logo that you have on the images supposed to refer to that fan story of an alternate timeline where Leyton's coup was successful, or some other alternate timeline? I suppose I could try searching for your other topics containing your vessels from that era, but I'm kinda feel a little to lazy to do so!