Now, some photos of what was done over the weekend....
The smokebox is the subject of our attention, and the kit provides a basic fold-up shell (Part P13) which we saw out of the fret:
Stick it in the vice:
....and start folding:
As can be seen, there are tabs underneath the smokebox sides which are intended to fit into slots in the footplate.
The front and rear of the smokebox shell have tiny etch marks; these act as seats for the tops of the smokebox sides:
...and this is how they fit:
A minimum of solder is now run into the inside corners, and eventually, we get this:
...which means we can test-fit it onto the footplate: