Gino approached me to work on one for the Shapeways Shop I have. We're currently working thru the basic design to fit with kit parts, and not going into excessive detail.
Gino's happy with them... so Here they are:
https://www.shapeways.com/product/KHMTSLN2J/1-35-rotor-hinge-for-mh-60s-academy?li=shop-inventory&key=4a2e101d73ba7e5a515487ad82eb4aac
Matt