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They're very springy. A tent is similar to a tensegrity structure, and still more rigid.

I believe many (most?) of these structures tend to have single points of failure, and you don't want your whole building collapsing because a single line broke.

But it need not right? You could easily weave 6 strands in different paths through all the rods and do calculations to be sure that any two could fail and the building still stand.

Sure you now need to tighten 6 cables with a winch rather than 1 to assemble your building, but it still seems like it would be far quicker than traditional frame construction.

Traditional frame construction is a highly optimized system. A skilled framing crew can put up a house in a day. And I'm talking a crew of 3 or 4 people. It's pretty hard to beat.

And then hit it with spraycrete and hey, presto!

Open Source Tensegrity