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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On my printer (a Prusa i3 mk3) the channel is water-tight right out of the printer. The only place that sealant is needed is at the interfaces where the flexible tube goes into the base and where the base attaches to the riser.