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.
Now I know what is wrong :D I did upload the STP file of the full assembly of the M3 version. Also the "source files" pack was very outdated!!!
I'll add the updated STP files later (they area t home....). For now you can work with the STL (I know.. they are horrible to work with) just to check if it fits. The base plane of the part is the one that is closer to the axis of the sensor so you can test if it fits only with the "main" parts as reference.
also you can use the adapter used to hold the BLTouch in place with that Titan Aero Mount to test the M3 version :D