I don't tend towards the round design, but if it is larger enough....12" to 14" across and 4" deep, it should work well enough....the grate should have at least one 1/2" slot in it for air flow as well as a clinker breaker to bust up clinkers and any ash accumulation so air flow is not impeded..
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Richard Thibeau, blacksmith and creative metal recycler www.dancingfrogforge.com
Dancing Frog Forge - An Institute for Advanced Rube Goldberg Studies
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