Yes, I made these. Nothing spectacular. I just measured the window, added a few inches for "scrunch", measured to the length I wanted and added a few inches for the sleeve at the top. Seamed all around. There are two pieces of sheer fabric (one sheer was too sheer), they are sewn together at the top sleeve, and just tacked together at the corners to keep them together.
I actually had my eye on a different sheer that had beautiful gold threads and beading woven through it, but I'm a practical person and there is no way in H-E-Double-Hockey-Sticks I am going to pay $50.00 a yard for curtain fabric for a sewing room!!! It sure was pretty though!!