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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Picatinny Rail Fix! I had the same issues as others but I did something stupid....rotated the model. I rotated Rail 2 to have the rails upward and had 0 issues with the rails or other portions...your mileage may vary with other rails. (printed at 25-30% depending on the part) Rails were 30% infill

Hats off to the developer of this!!!! Great work!