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's possible to set the youtube playback speed to .5x if that helps.
You need regular supports that your slicer adds for parts with horizontal overhangs. I only put custom supports for areas where regular supports wouldn't be good enough. But for areas like the casing flanges, those need regular supports.