Hi.
I designed a PCB to unify the extruder connections. You can see more details in the project that I have posted:

https://www.pcbway.com/project/share...d_printer.html

The idea is to unify the connections to be able to change the extruder by another head as a laser, etc. Do you think it is necessary to modify something to improve the design before considering it definitive?
Thank you

I put two pictures about the design:
050152801.jpg
050711766.jpg