Bear Full MK3 Z-Top Modification For Reverse Bowden

This is a reverse bowden add-on for pekcitron's Bear full upgrade MK3.
I remixed it from the original step file.
It replaces the right Z-top holder.

Fitting is PC4- M10. It says M10 but the thread is actually conical R1/8" with 28 tpi.

Look at the source things for details and use it with extruder top cap adapter.

Thank you pekcitron and ctilley79 for your great work.

UPDATE:
I experienced a blob on the end of filament that prevented it to be pulled out of extruder. That caused th