Hammock tarps come in a variety of shapes and sizes. Mine is a large rectangle with tie off points every 25% of the length.
Here's an example in "storm mode". I initially rigged it in my most common configuration, much flatter and with the corners folded up to make a hexagon. But around midnight a ferocious wind came up so I snugged down the edges and crossed the corner flaps to block off the ends. This mode has weathered mountain thunderstorms and tropical squalls. Unfortunately, my trees were small enough they kept the hammock bouncing for the rest of the right. 🙃
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