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.
Please try the new STLs I uploaded for version 4.1.
They have a greater thickness of the mesh and should slice and print with Cura just fine.
The customizer has also been updated. (You can actually customize mesh thickness now.)