Aren't all of these crown angled calculators based on perfectly square corners?
It's not to often, if ever, you'll come across such a thing.
Sure, they'll get ya close, but I believe you'll have to fudge every miter to get a perfect joint anyway.
I should have took pictures of the last crown job we had to touch up. The dude must have used a chainsaw and an ax to make his cuts. 16d nails and a sledge hammer to attach it to the cabs, walls, and ceiling.
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