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.
Well, you seem to be right it seems not to be really printable. I will create a new one these days, but if you want to print it faster, just take spine pt3 and print it 4 times. it needed to have the same size.