Does SW have a Pittsburgh Joint in Sheet metal ?
No,,, there is no command for a Pittsburgh seam but you can achieve it with a "Miter Flange" or "Swept Flange". If it is something that you use over and over you could save the sketch used for these features as a block or perhaps a design library feature for various gauges. I'm sure there are HVAC software packages that will automate this but I have never used them.
There are probably several ways of approaching this in SW. You would have to pick the one that you are the most comfortable with.
Here is another using hems (a feature in SW). I found that this took a bit more thought, and for me, that's not a good option.
I ask because a sheet metal class I took uses the Pittsburg in a couple of assignments. I was going to rewrite the drawings for the instructor in SW, just for the practice and to help out the class because our class drawings where not very good.
Thank you for the info.
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