I’ve done this many times in the past, when it was the cheapest way to use lovely fabric to cover a window.
The kits usually come with easy to follow instructions, but I would add, measure very, very carefully and check more than once. A spirit level helps when fitting into the window frame.
I seem to remember that the kit suppliers also sold the fabric stiffener.
I suppose I shouldn’t have been annoyed, but…
The solar eclipse on Wednesday 12th August


