I am making a cubbyhouse for the kids, and would appreciate some help with
cutting the birdsmouths out for the rafters.

Using my compund mitre-saw, I can easily cut the required 30 deg side of the
birdsmouth, but I can't figure out how to make the 60 deg cut for the other
side. Is there a trade-trick that I don't know about, or is this something
that can't be done with the mitre saw?

Any comments will be greatly appreciated.

Thanks

Scott Forbes