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.
PETG might be the better choice over PLA as it is even more chemically stable.
PA (nylon) should be even better but requires a high temperature hotend. But, most PLA should be sufficient, I guess. ;)