SnakeyWakey CTC i3 Z-Axis Linkage

Not sure about this yet. It prints OK and seems to work, but whether it is any improvement over my earlier coupler is debatable.

The point of the design is to reduce stress on the coupler and the threaded rod in the (many) cases where the rods aren't straight. If anyone tries this I'd really like to know if it is any good or not. For me I seem to have a smoother z than when using the rigid coupler, but as yet I only have this one one side - will print the other side out later (with the one si