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.
Simplify3D did something odd that I did not notice until I just went to put the mount on. It has the arms and the back of the mount as seperate objects. It doesn't spread the infill across them and instead does a perimeter around the arms and a perimeter around the part that connects to the machine mount. That results in a part that at first appears visually fine but pulls apart pretty easily since it was just two objects printed near each other rather than one solid contiguous object.