As I mentioned before I tried to find readymade hardware. However when I started designing the guide rolls none of these seemed to fit very well. So I started creating these parts in a way that they can be made from etched metal. Well…these guys came out really small:
At least from my point of view. If you ask anyone from the ship-cardmodelling department they will laugh at you. They are using even smaller parts like blocks in 1:250.
The above roll in its working place: