Finished the drapery this morning.
The original, for comparison
The face was the most difficult bit, of course. As you can see, it took several tries.
But determination triumphed. The idea of collecting the sanguine dust in a jar and applying it to the finished piece with a brush to give the whole thing an even tone, seems to be working. Though I had to go over the lighter bits with the kneaded eraser to bring them back up to contrast.
And before you ask, yes, I did her boobs just a little bigger than Michelangelo. What is it with that guy? All his women look like high school PE instructors.