Hi, I'm sure there are those of you who may be opposed to taking requests but I will ask anyway. I have been after some 3D printed Hancock air whistles for my Kato RDCs. I know there's a guy on Shapeways who has some in N and I have bought some, but my previous attempts to mount them on a post that fits into the slot on the RDC shells have proven poor. They are just too delicate when just glued on a post. I contacted the author about modifying his design to have an integrated mounting post but it seems he has gone inactive.
In any case, I am wondering if anyone here with the experience and equipment might be able to come up with something. I have yet to get my feet wet with printing myself (I don't really have space for the equipment and supplies), and I don't have much CAD experience. So I would be asking someone else to do all the work. If anybody is interested I can provide some reference material and measurements (though if you have a Kato RDC you'll have everything you need to figure it out).
I am not expecting many takers but you never know until you ask.