Got a reply back from Peter Waddell.
As suspected, he has mentioned the need to have a large and accurate ''ring'' made for stretching the mylar over it's curve. He suggests that this may be built in sections to form an entire circle
As well, he is talking about finding out about 150 micron thick mylar sheet (as opposed to 100 micron) for me as a start to the project.
I already know that there is at least $200-300 minimum length costs here alone
Interestingly, he stated that a ''solid'' version of the membrane mirror was even developed, but it's use for 3D imaging was overshadowed by the release of commercial 3D flat T.V. screens and the project was discarded as a result.
I don't really know what to make of all this. If I knew for certain that it would work I'd go for it...............but I can see a gamble here at great cost possibly
