Hi!!
I'm Juan Cruz, I´m a 3d artist with six years of experience in modeling, rigging, animation, ilumination and render.
I have been modeller and animator leader of several videogames, what you need is very similar to the models I have made for some videogames, of course your model need a god details because will be printed and I can offer you that quality. As freelance I have had the opportunity to work on many different projects and some of them were very similar as yours, I already did some printable models, mostly for medics. I can guarantee you an excelent quality for a good price.
You can find my portfolio here:
https://www.freelancer.com/u/juananimador3d
As you can see, I have an excellent raiting in the site, all my clients have been happy with the results, I'm really sure that I can do it for you too. I always work until the clients are satisfaced with the job.
I have a 100% completition rate, so you can be sure your project will be finished and with your total satisfaction.
I hope we can work together. If you have any question, please let me know.
Best regards
Juan