MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
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when printing the jolly boat , its keep printing in mid air for the interior deck part
Do you mean it's trying to print a bridge to build the deck on? Are you printing with infill? My deck prints on top of the (10%) infill. Not perfect, but at least it's not mid air.
Also, what speed is your bridging set to? Mine is 10 mm/sec, and that works out pretty well. Much faster and my bridges droop. Check your settings for that.