OS-Railway-knuckle-coupler

Here is my OS-Railway knuckle coupler that is designed to fit this bogy:

http://www.thingiverse.com/thing:2196153

This coupler system is very loosely based on one done by raby here:

http://www.thingiverse.com/thing:1908821

I made changes to just about everything except the coupler head from his original to get it to fit into the OS-Railway bogy and be the right length for cars to couple.

You will have a bit of clean-up to do on the parts just because of the very tight tolerances