Are you inletting from a blank or will you have a pattern duplicated? I actually made the ebony insert on this one first, carefully taped it in masking tape, then bedded it in 5-minute epoxy on the pattern stock...came back to me with only 5 or 10 minutes of very easy work with an exacto blade and small chisel to set it in for a decent fit.
Contrary to others, if I did it again I think I would use clear epoxy to put it in--there is one imperfection in my inletting that the black epoxy I used shows up, while I think clear would be invisible.