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.
Where did you get the carrier from? I'm looking at using a Polulu driver for my stepper based extruder as Gen 4 stepper drivers are impossible to get hold of in the EU unless I import one where as Polulu drivers are abundant.
Is the board design open source or are there instruction for building one?