OCTAGONAL MITER (22.5 ) on 2 x 6s for RAISED PLANTER


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Old 06-06-15, 09:52 AM
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OCTAGONAL MITER (22.5 ) on 2 x 6s for RAISED PLANTER

I own a combination miter saw, 0-90 cuts on the front & a bevel cut adjuster on the rear from 0-45.

How do I cut a 22.5 miter which will enable me to join the corners? I can make the cuts with the 2 x 6 horizontal with the 6" side down, but can't figure out how to make the cut with the 2 x 6 vertical with the 2" side down, enabling me to join the octagonal corners.
 
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Old 06-06-15, 11:12 AM
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Welcome to the forums!

If you want to stand the 2x6 up and make the cut just set your saw at the 22.5 mark and cut. You might have to cut some from the right side of the blade and the others from the left side. You didn't say how big your saw is but smaller saws might make the cut all the way through. You could finish it up with a hand saw, or if you are really good, flip it over to the other side and finish the cut.
 
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Old 06-07-15, 07:00 AM
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Why would you want to cut it vertical when you can lay it flat? As mentioned, some saws won't make a 5 1/2" deep cut.
 
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Old 06-07-15, 08:20 AM
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Cut your board square to the size you want, measure the sides, divide by 3, mark center of the sides, and measure out from the center to the 1/3rd mark and cut at a 45 degree angle. I just had to do it on a center plug for a gazebo floor Friday.

(The only reason I mentioned the center line is that I use a compass to mark the 1/3rds.)

Very rudimentary drawing:

Name:  octagon.jpg
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Last edited by chandler; 06-07-15 at 09:12 AM.
 

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