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.
I've never needed to put supports there. That is a very small bridge, even a fair setup should be able to bridge that far without supports. You will know best if you have printed items that bridge 1/2 inch (actually less than 1/2).