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.
Yeah, this is a tricky print. ABS has a tendency to warp, so that could be part of the problem. Also, you need aggressive retraction, because any little strings will start to fuse the pieces. I use 0.75mm retraction for PLA.