Unusual CSF alternative

Hallöle Can’t sleep again and I thought that I was annoying the motor-tak community again with my questions Can you take salt dough as an inexpensive and unusual alternative to GFK? The advantages are obvious: 1.: Easy to shape 2.: Almost nothing 3.: After baking hard as stone and dense Should be purely theoretically a super case material… Aaaber, if that were it, someone would have come up with it and it would have already been too Well, of course you would have to work in an MDF ring to screw on the speaker, but otherwise I can only imagine acoustic problems that you would have to get away with damping, right?!? Well, I’m looking forward to your answers! MfG, E.T.chen