you can indeed , as Roger says, make panels out of tulle. they are not really structurally fantastic, but if not in a stressed deployment, the lifespan can be considerable.
i some time ago fabricated a window for my Akto. this window modification totally changes the character of my dwelling.
it is better in all ways except there is a small bit of added mass.
the sequence of operations required to make this work out are .. considerable.
but ! it can be done.