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How to make 90 degree sheet metal elbow
Learn how to make a hole sheet metal elbow.
To understand it more easy, it´s good to have a 3D vision.
I will try to explain the geometric, i hope you understand. the rest is to transfer the marks to make the template and use it to copy segment by segment for the elbow.
And use the bead roller for the segments to complete and assembly the elbow.
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