Hi.
you understand how it is possible to draw this reinforcement in inventor:is that double beveled triangle... which looks more like a material supply after the fold than a real welded handkerchief.
those two triangles are nothing but two bugnatures (deformations) to give stiffness to the piego...
are usually realized with a bending mold and not with the traditional bending machine. . .
to draw them? I would indicate only in the drawing otherwise I don't know how to do in...