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Join Date: Jul 2001
Location: Leave the gun. Take the cannoli.
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You don't need a perfect circle for the base, but you need it for the brick.

Stake in the center, string with length = radius, and upside-down paint to mark.
I would form with rips of 1/4" plywood and stakes. Use scraps in between the forms to hold spacing, and pull them out as you place the concrete.
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Old 08-13-2021, 11:24 AM
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