Good suggestion but I went to HSMWorks and am still learning that. I will keep it in mind though, I agree there is not much out there to explain how to do double-chamfers. That is one reason to pay for a package. If you bought SolidCAM, they should be able to walk you through the procedure.
Yes, the width of the chamfers will change due to the geometry. That is why I do the angles separately with a smaller chamfer-- check out the whole video to see how I compensate for this.