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.
If you use a chamfer Instead of a fillet on the side in contact with the print surface, 45 will work 50 degrees is safer, it will print better. You might want to specify what nuts fit those recesses, they vary wildly in size. That is why I try to leave them partially exposed and fit to the largest ones.
Can't wait to see the rest.