Design alternatives for connecting tab with slot

This might just be a home project for me, but if you scale it up, it might be metal instead of wood, welding instead of glue One person

I think this works best with the Punch Tool feature? See my attached video Either a Tab or Slot can be created first To then create the

table top slot machine 010 or sometimes more, clearance on each side of the tab Steel should always be welded with filler Stainless can be fused, but carbon steel,

tabletop slot machine Abstract translated from A system and method for reliably welding a relatively thin tab into a relatively wide slot is provided The system and method forms a