h a l f b a k e r yAssume a hemispherical cow.
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Why not just one, really big umbrella? |
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Lightly toasted. See link. |
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To make an umbrella really wide, you either have to make it very long <when closed> or with multiple collapsing segments <like the mini folding umbrellas> that introduce more moving parts and weak points. |
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or perhapsmade of expander foam |
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