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.
Check the central gears.I had problems with the center Gears the did not move freely all the way around. Mine also stopped after 2 to 4 Ticks.
I used a Hairdryer to soften them a littlebit until the move freely.