I see, that you completely revised the jig with removable side walls, so that the front and back side can be open for installation the interior like the inner planking etc.
-> Very good improvement
Just checked it on your web-page, where it is also shown in the excerpts of your instructions on page 12 ff
a very good move
-> Very good improvement
Just checked it on your web-page, where it is also shown in the excerpts of your instructions on page 12 ff
a very good move