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 printed this, but found the spools would not stay on the wheels reliably. It has a nice smooth motion, but keeping the spool stable is job #1. I think a deeper groove in the wheels would fix this problem. In the end, I went back to a central axle. If it ain't broke...