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 recommend to print the intended parts.
You could try to scale up the aileron base to z 200% in slicer.
Then the rudder horn will be 2 times thicker and if you print in spiral vase you will have an open end on top.
In this case I had to make some changes.