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 just added a screenshot to the build log above. If you change this setting to be smaller then the joints are tighter. The higher the setting the more loose they are. 0.4 is probably a bit too loose (default is 0) but this is what I plan to try next.