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.
You could try, it might work. I had not tried scaling it. If you decide to, let us know how it goes. You might consider 50% scale then the blade would be 1 shell thick. Clearance would only be .25mm though.