I hate having to set things up and then put them back the way they were. So, when possible I like to make jigs that do all my adjustment for me. I needed to make a hexagon out of angle, and since 30* seems to be one of those angles that might be needed from time-to-time, I figured it'd be worth making it easy. I took 2 pieces of 2"x2"x3/16" angle and trimmed off a corner so that the included angle is 30*. Then tacked, adjusted, welded and ground smooth. I also added a piece of 1/4" rod to the end so that it doesn't want to slide out the other side.
Here's what the jig looks like.
This is the cleat that keeps it from moving around.
Here it is in action. I had to place a piece of tubing inside the piece of angle to support it.
I'll eventually need a 45* cut, and I'll make a jig for that too. Then maybe an adjustable one. The best part is, when I'm done, I just pull the jig out and I'm right back at a perfect 90.
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