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Old 09-09-2016, 11:16 AM   #219
glatt
 
Join Date: Jul 2003
Location: Arlington, VA
Posts: 27,717
There is a tool called a brake. It's for bending sheet metal nice and straight. I don't own one (wouldn't have room for one anyway.) Instead, I can use a couple of hardwood strips clamped together tightly and bend the metal along the edge of those hardwood strips.
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Once I get those edges folded back on themselves, I hammer them as flat as I can on the floor.
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Now the whole affair is compact enough that I can clamp it in my vise to complete the folding.
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