They’re done. All 256 of them.
I rethought and then reconfigured the jig a bit so I could keep the same reference surface when drilling both ends of the “rungs”. It went very quickly:
That was the very first one and it took a little under a minute. 32 of them took a little under a half hour.
Next I had to drill the mating holes in the stiles. I rebuilt the jig from the same parts, marked up the pieces, and started drilling:
“The next step involves the top and bottom rails for the “ladders. Yup, even more dowel holes.