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.
We fixed the issue by thickening the wall were the hollow at. The line passage on the wall is too thin for cura to recognize so it's showing as hollow.
Thank you and awesome design by the way, can't wait for the ironman version =).....