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 ductLevel models are used as a tool to set the height if the duct off the bed when first attaching it to the base. I attach the duct with the bolts loosened slightly, lower the nozzle until it touches the bed, then slide the level model in around the nozzle with the flat part under the duct. I then lower the duct until it is touching the surface of the levelling tool, and tighten the bolts. I usually use the 1.6mm version, but there is no strong reason for it, and I think I am slightly higher than that with my latest version.
You don't need the tool, but it makes it much easier to adjust the height