I built a couple ST ships. I collect Star Wars sets, but I can build something about my other favourite universe: The first one is a NCC-1701. That was the first Enterprise I made. Very poor. I made a Starfleet symbol as base: New one: After the Enterprise, I built the USS Vengeance. And some days ago, I finished a new one. I think this is the most accurate to the Abrams version, and my favourite: I'm working in a NCC-1701-E (the D... )
Don't know how cross-compatible with Lego they are, but Kree-O did have sets for both the Enterprise and Vengeance from "Into Darkness". Of course, I'm even more impressed by models like yours where someone sat down and figured them out on their own.