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.

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One does allready have support. the other doesn't (if your printer can't handle it without support, you have to chose the motor with support). You can also generate your support automatically by your slicer software, but its not necessary.