Take a good look at it, because tomorrow I'll show an alternative use for the apparatus.
The following shades, for Crosstown Shade and Glass, are blackout with our special no-pinholes-of-light method. This sunny yellow with appliqued circles and embroidery was fun to work with. At first we thought there was no way we would be able to join the widths and get a good pattern match, but once we saw the trick to the match, it was easy.
All of our blackout shades have internal ribs. They prevent the folds from losing their definition, and prevent the homeowner from losing her mind, since she won't have to dress these folds every time the shade is raised.
WCAA Virtual Chapter) on this very subject. Once you get used to pleating to pattern, whether on shades or draperies, you won't go back to random!