Larry Bud wrote:
In the drywall stage of my basement. I have a couple of situtations
where two or even three outside edges meet (around the soffit). Do I
miter the edges of the metal to meet up flush with each other, or do I
leave them square?

While either may work; square can make the result too thick to finish
properly, so I suggest mitering. The miter need not be precise.

--
Joseph Meehan

Dia duit