Bondtech Extruder for E3D Volcano

I downloaded Bondtech Extruder parts to replace MK2's extruder.
I modified two parts for Volcano using Blender and OpenSCAD.

Original Bondtech Extruder parts
https://drive.google.com/file/d/1adoulKhDsy_yAFl-Oii3EPV6b0EVwsVA/view

https://www.thingiverse.com/thing:2535500
Fan_Nozzle_E3D_Volcano_Prusa_I3_Mk2_V2.stl

I used the following two references to assemble and install Bondtech extruder on MK2's carriage.
Bondtech Extruder Upgrade for Prusa i3 MK2
https://youtu.be/L0WBMnK9hYw

Original Prusa i3 MK2 kit assembly v1.06
https://manual.prusa3d.com/c/Original_Prusa_i3_MK2_kit_assembly

I uploaded the firmware version 3.7,0 for Volcano setup.