[Paddlewise] A tarp of a different shape

I have a problem with the squareness of tarps.

I would like to cut a tarp of a good light tent fly material in the shape
shown below, with 2 grommets on the short end and 3 on the long end, and
reinforcement for a center pole.
__________________
\                                       /
  \                                   /
    \                              /
      \           O            /
        \ _________/

Stake the short end and tie up the long end and put in a stick where the O
is.  This keeps the tarp low to avoid blowing rain and blocks the wind
almost entirely from one direction.  The 2 triangles removed from the
original rectangular shape are worthless material.  Most of that material is
down at the staked to the ground end, and thus useless.

Why not tie it up in the air?  Well, the wind will blow the rain under it
and I find it a pain to find 4 trees in the proper places to hold it up.  2
trees are easy to find, so I stretch a line and tie up one end and stake
down the other.

You want a tarp for 6 instead of 2/3?  Duplicate this shape symetrically
about the long end, and stake both short ends to the ground with the middle
strung over a line between 2 trees.

This is a new idea of mine, so I am interested to see if anybody has any
other perspective on how to tarp a cooking area with minimal material.  And
what material would you advise?

Mike

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