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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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What printer and hot-end are you using, the wire channel of the Hero Me Gen2 base is more than large enough for the wires from most all hot-ends and give plenty of clearance for the 5015 fan (check out any of the many photos from the makes that are posted). Please post photo(s) of the issue you are having so I can understand what may be happening.