This is an update to my earlier design (see link at end for previous things)
The following has been improved:
Use 10mm M3 bolts for mounting the parts.
except for mounting the hotend fan, to shroud, to front part, you will need a longer 16mm
Print at 0.2mm or better
Previous design E3D v6 hotend mount for Creality CR7, CR8, CR10. Modular Snap-In design is here https://www.thingiverse.com/thing:2203672