Here are the remaining jigs from D. King’s first book on building Shoji.
This is the second of two Jaguchi rail jigs, this one is intended for the wider, bottom rails:
The Tsukeko (the inner frame between the kumiko and the main frame of the screen) mitering jig:
A simple 45 degree shooting board:The set of completed jigs:
Note the chamfering jig on the far left: