SpeedDrive for E3D V6 + BMG (Pancake compatible)

Sources:
https://www.thingiverse.com/thing:3816051 SpeedDrive
https://www.thingiverse.com/thing:3291101 HeroMe for E3D V6

This is a remixed version of sashalex007s SpeedDrive to work with an E3D V6 in combination with the BMG extruder. Sashalex advocates against the use of the V6 due to a less rigid mounting solution compared to a stock or microswiss, but I had my V6 installed already and was not willing to pay for a theoretically inferior extruder.
So I remixed the SpeedDrive mount to mak