However, there has been some progress, just not as much as I'd normally expect. The framework for the swarf / coolant enclosure is coming along and is almost ready to come off for final welding up.
This is the frame for the hinged door. The idea is a direct copy of Threadexpress's enclosure design. There will be a fixed see-through polycarbonate panel in the hinged frame and another, sliding one to cover the remaining opening.
The whole thing goes up and down with the knee, so there needs to be some form of anchorage at the back of the knee. This is a great excuse for butchering the machine by drilling and tapping holes in it: