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Old 07-11-2007, 05:03 PM
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wysiwyg (Mark)
Astrophotographer

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Join Date: Oct 2007
Location: Adelaide, Australia
Posts: 405
[quote=Roger Davis;269129]I would make the concrete base 600x600x900 at least and not a cube, but pyramidal.

Roger,

Do you meant like a pyramid (right way up) with the top cut off, or do you mean and upside down pyramid?
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