I used Google Sketchup and the PARABOLA FORMULA from

here is the links to the Sketchup:

10′ Parabola

here is an image:

10ft 36in point

also you can check out this you tube video from Green Power Science on how to make it a mirror:

hope you injoy if you make one or think about making one you should post and let me know i love pics.

Seth @ Green Ideas Co-Op

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