Here's the Stair block I've been so diligently working on. I've got 1 or 2 more like it on the way.
I left the ends of the handrail for you to fill in. Basically, there's too many different configurations for me to worry about having on there. So I cut it off and expect you to fill in the gaps. Seeing as I saved you so much work, it shouldn't hurt THAT much.