The latest Rumsey Rotary design has now been moved into Solid Works, and animated:
http://www.youtube.com/watch?v=lZwKoo_p3rI&feature=youtu.be
No attempt has been made to try to do more than the basic device as of yet.
We expect to have the first 1/3 scale model “printed” in February, which will give us another chance to look for design flaws, before we add more elements.