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.
Mine printed flat without support material and I've printed both the original style plug and the new, narrow one. It did seem they changed the design of the lettering for the narrow plug, so you may want to try printing that one instead. It also holds the spools better.