One technique for getting around the limitation of a round endmill and attendant detailing limits is to use a V endmill to cut both the inlay piece, and the pocket — the pocket needs to be cut from behind, and the inlay portion from the front, so as to get them to nest properly and to take advantage of the added detail the V endmill affords.
As noted above, it is possible to cheat the flipping in Carbide Create by instead using the center of the machine and reversing an axis, but for this discussion, we will flip the graphic and put both copies in a single file:
and attached: dachshund-black-silhouette.c2d (966.6 KB)