I played with your drawing just a bit to see if it would work on the router table .
BUT the best jig I have found to do this job is the Oak-Park jig, it's bit high in price BUT it's a GREAT jig and one of Bob's best.
All that's needed is the brass guide in the base plate and your set to do the job.
Mitre Gauge System
http://us.oak-park.com/catalogue.html?list=RTS-MGS-
Bj
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Bob
The drawings of the jigs I forwarded were never intended to be used on the router table but to be used in the plunge mode. The jigs I made cost me no more than $10.00 (if as much as that), made from material in my workshop. There is only one setting required for each part and the joints fit perfectly each time. In most instances I was using the 40mm Guide with the dovetail cutter and I was able to finish off the bottom of the dovetail in one action.
Regards Tom
P.S. Keep up the good work Bob You are a great source of information that Mitre Gauge system is excellent and it makes it so easy. Cost???