I need to cope a 120 degree corner.
Do I just do it like a 90, but with a little more back cut and a little more filling/sanding to get a good fit?
I need to cope a 120 degree corner.
Do I just do it like a 90, but with a little more back cut and a little more filling/sanding to get a good fit?
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Replies
Yup...
Practice on some scrap...
Cake and pie...
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WOW!!! What a Ride!
Wouldn't it be easier if you started with a 60 degree cut instead of a 45?
Good Idea.
My buddy, whom I consider an expert in crown installation, says to miter inside corners that are not 90 degrees. Buck
We don't normally cope anything beyond 105º or less than 75º; if you really want to cope a 120º, I think you cut a 30º mitre to set the profile.
Phill Giles
The Unionville Woodwright
Unionville, Ontario
Always cut the to-be-coped side at the same angle you'd use if you were doing a miter. Then kind of eyeball the undercut when you use the coping saw.
Bill
Somebody else said it, you can miter a angle that size and glue it, should hold fine, you can cope it if'n you really want but I dont think its necessary.
Doug
"Somebody else said it, you can miter a angle that size and glue it, should hold fine,"
Now is that?
Just for clarification angles can be measured a couple of ways. When I say 120 degrees I am talking about one that is more open. That is as the angle increase the joint approaches a but joint.
Thats the way I was pictureing it, if its open that much you have more glue area, I would miter, but you can cope if you realy want.
I dont have a hard and fast rule as to when I chose to miter, just eyeball it, 120 degree is open enough for a miter.
Doug