IForgeIron Blueprints
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BP1018 A spiral from 20mm material
by Uri Hofi
We use here the heavy duty tool made out of the 1" square full steel. 
First bend 
Begin bend of scroll 
Continue bending 
Continue heat and bending 
Hammer close the spiral 
We can produce the same type tools for square material by using the hydraulic press or the air hammer. 
The finished elements and the tools.
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