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.
Printed both 2- and 1.5-mm clips for the extruder end...1.5 was the one that fit. I've had stringing problems ever since I converted from direct to bowden extrusion; hopefully this will be the fix I've needed. (I'm printing a stringing test as I write this.)