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 seem to be ignoring the actual issue. It's not that he's selling a 3D printed item, it's that he's selling something under the Creative Commons - Attribution - Non-Commercial license that they don't own. That's intellectual property theft.