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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The hot-end heat sink fan is on 100% all the time. The Hero Me Base Gen2 fits pretty snug around the hot-end assembly. There will be some air that spills down from above, but it is too diffused and split in different directions to not have any affect on the nozzle or the part being printed.