Is your question about framing a tree or about printing it out in preparation for framing?
If your question is about framing, any frame store near you should be able to help. Just be sure that the any backboard or mat is acid free.
If your question is about printing, I would suggest downloading a gedcom and then using one of the online services that specialize in this. You can find out more about the options to do so at:
Miriam Alexander Baker