Maybe not. You could make up a 3D printed plastic set on a sprue, then do a "lost plastic" casting in brass.
Shapeways can do that for you. I have done it. The minimum charge is $12.50 (as of a few months ago). You can print 2 identical items, but the size limit is real small. Its meant for things like cufflinks. You can sprue these together and see if it fits in their bounds.