Does anybody know if there’s a traditional composite material that behaves something like fibreglass? As in fibre/fabric laid up in a binder of some sort to make a stiff material in arbitrary forms.
Paper mache is one but it’s too weak (I think, maybe there's a super version?). I'm considering things like cotton or flax in casein glue or pine resin... but I doubt it will work.
(And my last casein glue experiment stunk like rotten milk for weeks!)
@john I have a very vague memory of the documentary about the glider built in Colditz using something like ground up millet, painted onto fabric, to form the skin for the fuselage and wings