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 have had performance problems in Slic3r too, but since i am using Simplify3D it takes a few seconds at most to slice(didnt try this Thing), normal stuff is instant.
So maybe try the slicer as Admin, buy S3D, look for performance settings in Slic3r/Cura, look for another Slicer, pirate S3D or print smaller Chainparts and link them up i guess :P