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.
it takes a little (!) bit of force to separate the parts at the predetermined breaking points. sometimes it takes a bit more...
what temperature do you use?
how high are your layers?
I used PLA, 185C for the first and 200 for the rest of the 0.2mm layers.