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.
Not much of a fix if the filament can't get through, make sure to chose the right file out of the two. After printing and installing the "..._original.stl" I realized it blocks the filament from getting through. The other file "_PTFE_Tube_2mm.stl" apparently fixes this.