MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
Postage is likely going to result in the part being prohibitive cost wise. I would think you could easily find a local with a printer who could print this much cheaper for you. I'm willing to do it if you can't find a cheaper source however...