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.
Looking at your design I think the overhang will effect the balance of the hot end. This can make a big difference in your prints, weight and balance matter, ask any anyone with a direct drive configuration. Just a thought but you may want to test.