Quote Originally Posted by stansby40 View Post
I roughly placed the middle pickup half way between the neck and the humbucker and it turned out ok but not quite square but I don't think it will be noticeable.
It feel it will be noticeable, especially to you. It may be worth making another template and get it right now. You could of course angle both the single coils slightly, where any slight deviation from similar angles will be far less obvious.

You could always try making a basic pickup rout template that you stick over the pickguard one (enlarging the hole in that first) so you can get it fully square.