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.
Thanks, that looks like it might be a useful tool.
I have several tools for working with meshes. Both are by Autodesk, both are free to use.
MeshMixer - http://www.meshmixer.com
Print Studio - https://support.ember.autodesk.com/hc/en-us/articles/212823998-Install-Print-Studio