Presuming a tight tolerance on 4 place decimals, and a fine surface finish greatly add to the expense of EDM. The other important point to clarify is what inside radius you could accept in the areas where you have sharp corners drawn.
The typical most productive wire size for that part would leave a ..0055 to .0065 radius. If you want a smaller radius, there are shops working with under .001" diameter wire, but the cost goes up exponentially. Also keep in mind that regardless of processing order, the second (and possibly third) operations will not have good flush conditions, as you no longer have parallell top and bottom surfaces.
I think it would be a good wire EDM job, but some more detail is in order.
Cheers!
Roy Solomon |