Anet A8 e3d v6 and piezo20

You got stl and Fusion 360 file. Work for me with Mistral cooling, not beautiful but it's done and you can edit in Fusion 360.

This print don't have this little hole on back. I don't need them.

Here is my Marlin 1.1.9 with working Piezo20. English menu.
https://drive.google.com/open?id=1XXgdQpZvhLdIY3crBgnpq5FvmITw3-hk

Here is movie 25s with working Piezo and bouden
https://youtu.be/w-ZkJoPqD2M

For extruder mount i use this
https://www.thingiverse.com/thing:2634954