Anet A8 E3D V6 Extruder chain

A made this holder because most of chains designes are place in front of the shaft of the Z axis. This is good for original extruder but for E3D V6 it is not usable.
X carriage chain holder is designed for these carriages:
https://www.thingiverse.com/thing:1919544

In the installation is one critical point. Left side of top mechanical end on Z axe. There is necceserry unmount original bolt M3 with the nut and replace it by bolt M4 with thread inside the frame. Z axe home possition switch an