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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That is really weird that its so bad in the middle but not the top or bottom. The top and bottom still have a bunch of little bumps for some reason. This is with a MK3 too? 3 perimeters would not have made a difference. To me it looks like its to hot and not getting enough cooling but that is only a guess. What brand filament and what temp?