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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Make sure you haven't forgotten to cut the tabs on the bottom and also have broken the outer sphere free from the base ring (see photo inserting screwdriver into gap). If you are poking around with a feeler gauge, you should be able to slide into the gaps except for where there are pivot pins and actuator pins (see transparent photo).