I just upvoted your great post:) but i would like to answear ... I want to build a protoss and I am sure i can using micelium, this ... sry i cannot say in english is basicly a mushroom that you put to grow in sawdust (wood) in a shape and after a week or so put it in a furnace and i get this material about 5 times stronger than concrete water and fire proff but its hanging on only a couple of months (sry for the crapy english)