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.
Yep it's a genuine E3D V6.
I noticed the screws too and I'll replace them with a ziptie asap. Without the screws, I think there will be enough clearance but only around 2mm which should be enough but it's pretty tight.
Thanks for uploading the file!