@308 mine is actually a hammock tarp, got it from wilderness logics in the states. It's a cat cut so not as versatile as a square but supereasy to pitch in an a frame.
Check out a few of the American cottage companies like hammock gear, oes, wilderness logics, bearpaw wilderness ect. You can specify colour weight and extra tie outs ect.
Silnylon is the best bang for buck weight wise.
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