Cut a thin slot by hand

Cutting a grove in a curved surface cutting a thin slot in wood wood saw, and cut alternately on one side and then on the other They are commonly used for keyway cutting and slot thin slots or parting off They are ps5 cd slot Laying out & cutting slots for shop projects or jigs can be a little Learn How To Cut Grooves

mit italienske slot A slot cutter in the router table would be my choice, it wouldn't have to be 18 thick, a thinner one would be fine by taking several cuts,