After working with elaborate curtains I felt I wanted to make something simple, and I made a roll up curtain. In the attic, ceilings are low and windows smaller, so roll up curtains would be just right. In fact, I have one already, in the nursery, that came with some bundle.
It isn't neat, as I see now, probably needs ironing, even starching.
I have another commercial roll up, with a fabric that doesn't fit into my period, but it shows how easy it is to made.
Point of departure. The fabric is the same as the bedding.
As compared to hours spent on fancy curtains, this took about fifteen minutes. I am pleased. Here it is in the room: