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.
4 million faces really hurt when it comes to put this thing in the slicer. Thankfully, 3DBuilder managed to fix whatever could've been wrong with the model (loose/invisible vertices/edges?), plus it got the face count down to 1.3 million and file size down to 65MB. I can send you the file or something, if you'd like.
@stupidshortarms I think the problem is the filesize, 198MB is really large for a STL