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 made two of these for my Da Vinci Jr after converting it to RAMPS 1.4. I printed without any supports at 20% infill. The curvy surface dropped a couple of loops because of that, but it doesn't affect anything and it fits perfectly.