CR-10 / CR-10s E3dV6 & Hexagon 30mm fan mount

Magenta,

E3D v6 and the Hexagon extruders are both really good extruders.
I wanted to make a base with some fans so i can use them with my CR-10.
Both of them they have the same upper diameter but different hight.
I design the base in such a way, so you need do change only the back holder to mount the two extruders.

I have contacted several experiments with 30mm and 40mm fans, (single and double) and i found no differents in print quality between 30mm and 40mm fans,
and since i like th