This board was designed to fit on the MicroDelta Rework printer with 4 pin molex connectors.
I maded by hand and it worked ;)
Changing the connector it will work with other printers as well.
Enjoy new quality prints.
Special thanks to RuiRaptor @ youtube.
Attachment 11172
Attachment 11173
Attachment 11174
more details on:
https://www.thingiverse.com/thing:2613603