windows by drilling directly into the window frame?
photo has no tags on it, could you let us know where you found these shades?
Drilling into your windows may void the warranty, so I would suggest that is not the best option. I would think it's best to mount the window treatments onto the sides or on the inside of the top of the window jam outside of the casement-this is called a top mount.
The are mounted inside the window frame on custom drapery hardware, however they may be opened and closed - either pushed open to the right or left. In order to achieve the desired effect of all the ripples, a good amount of fabric yardage is required and a drapery workroom would need to fabricate the