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A range of tutorials for sheet metal and fabrication techniques. If you have tutorials that you would like to submit please use the form on the Contact Us page and we will be happy to include them, along with a link back to your site.

Straightening out a sheared strip of material

Tip courtesy of Design Optimization Consulting Services: "Here’s a tip that I’ve given to several people over the years concerning straightening out a sheared strip of material. It’s one of those things where you read it, and say to yourself, well that’s pretty obvious. But it’s something people never really think of at the time."

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Change elbow 60 degrees

These change elbow fittings will save time, space and material. It will also give you a more professional look on the completed job. We show this fitting 60 Degrees but use the same method for any angle and size. The inside throat radius is 2", however we do show the same fitting near the end with a 1 to 1 radius to width ratio.

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Create sheet metal offsets

As in all fittings you need to establish a starting point, so draw a horizontal line on the paper, somewhere near the bottom (A,C) now draw a line perpendicular to line A,C. and establish one end of the fittings, line A, B. , The fitting in the illustration is 18" long (But this could be any length) so we need to make a mark 18" on line A,C and draw another line perpendicular to A,C (line C,D) to establish the length of the fitting. Being that lines A,B and C,D are reference lines you will want to lightly extend these up a ways until you establish the other points. Our fitting is going to be 12" in height and 18" long, so mark the reference line for the height of the fitting (3) at 12" up from line A,C and on line C,D

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How to develop a Square to Round

A true understanding of what "True Length" means and how to find and see true lengths is everything in pattern development by means of triangulation. Here we take you step by step in developing a Square to Round, just keep in mind "Practice makes perfect".

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