what i did was took a manure spreader tire rim (its big) cut the centre out and took the centre of a car rim flipped it over and welded the two together, then took the pipe needed to make the T-joint, welded it together, and made my self a tray on the bottom to collect ash and stop air from simply flowing out the bottom. the only thing i dislike about the forge is its hard to keep your fire small.
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