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.
The filament does not get bend. That's good. If the motor stops, makes louder humming noises or makes kind of click noises while the drive gear turns for some degrees backwards out of nothing: that's stalling. Maybe it does help to increase the idler pressure and the power of your stepper driver.