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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I've got them all printed out and ready to assemble, but I don't see how the ratcheting works. Is the button cosmetic or is it supposed to actually do something to depress the catch on the ends? Right now I can make it ratchet if I just twist hard, but I assume it should be easier than this.