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 faster you cool down the fresh layers of plastic, The Better. The stock fan part does not do the best and is not focused.
Printing angles and overhangs without good cooling will cause edges to curl and lift, Usually failing the print or having ugly
areas once done.

Not all plastic types like being cooled though, PLA types need it. PETG and ABS do not like cooling.