So instead of a single tenon and a slot, I went with a double tenon (or fingers) and two slots. In addition, in order to get a sculpted inside corner, I added a mitre which allows extra material for rounding on the inside.
So here I am cutting the tenons of the bridal joint on the long portion of the leg.

After cutting the fingers, I cut the mitre on the table saw as well. For the other leg part, here it is marked for the mitre cut. For this one I decided to use my bandsaw. Not sure it was the right decision, I may try the table saw for both cuts next time.

And here it is cut:

Here is the resulting fit:

Not bad for the first time trying a mind-bending joint, but I'm sure I can do better. I think I had some issues transferring the marks from one piece to the other for the fingers. I cut one piece first and then transferred. Next time I might just mark both pieces before cutting. Also, I think my full scale leg drawing needs to be redone with bit more care. I found myself really relying on this drawing for a lot of markings and angle captures (and to keep me sane). I need to be sure it is as accurate as I can draw it if I'm going to rely on this strategy. It's the first time I've worked this way and I don't think I could have attempted this joint without full scale drawings.
Ok, well I'm going to glue up the first leg and bandsaw it to make sure I don't get any surprises when I go to my three remaining legs. Here is what is looks like now:

I'll see how good that joint is tomorrow.
Hey Scott looking good. Email me I'll give you some tips.
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