You can either attach the cone to the post using angled wooden blocks see step 6 or metal tabs from the center hole that bend over and are nailed to the pole.
How to make a shield out of sheet metal.
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How to make a tent stove heat shield out of some sheet metal block of wood and coat hanger wire.
To make the first cut a b line make a slot at a with a cold chisel to insert metal shears.
Insert the nail and make a mark with a sharpie about a 1 8in above the metal.
Trace cut sand and pound away.
Plan it out in correl draw.
If your circle is bigger than the size of.
Cut off the rest of the nail with a hacksaw and reinsert the nail.
Draw a circle of the outer size of the shield.
Make the tabs about 1 5 wide and bend them up to nail to pole box.