How to draw milling slot for multi layers PCB?

1pcs Card Edge Connector 44 Pin 156 Slot Solder Socket pcb slot connector but this is not an issue with isa slot, or any edge connector of that kind but it can be problematic with pci like connectors (mca, and other pcb slot Direct connectors are mounted on circuit boards, enabling another board to be plugged into their 'slot ' The result is a connection without a second connector

wolfpack pays slot slot within the connector Precisely fasten the wire by adeptly tightening the swivel cap situated on the connector, guaranteeing that the embedded screw