[2022] real life sovereign sword question

Okay so, hello everyone. Little story before my question. I am Lenny and I have a really good friend that I now only know for around a year. We are online friends, but we also became IRL friends since he didn't live that far from me. I am so happy that we are friends and it will be a person I will fully support in everything and be a friend of mine forever. So now the question, I am 3d printing a Sovereign knife for him, because it is his favorite knife. I want it to be a 100% perfect so I wanted to ask if someone knows the actual size the knife would be in real life so I can also nail the exact size. I found a file but not with the real size. Any tips about how to maybe make it even more realistic are also very welcome. (If I see that there are enough people who care I can also post the end result)