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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So I have a simple question. I bought the parts you listed from Amazon and assembled the entire thing but when I cut the wire on the 3 volt DC plug I saw black and red. Which is the hot and which is neutral? Broke my multi meter and haven’t gotten a new one. I am also very green with electric. Any help is appreciate. Also the print looks awesome and I cannot wait to use it. Great design