Glowforge requires us to confine discussion of manual settings in their forums to the Beyond the Manual category. The current preferred practice is to either move the entire thread to Beyond the Manual or, to start a new thread there and, link to it from this one.
Also note that the original poster has not been on the forum since posting this.
That said, materials and machines can vary some. You would probably be better served by learning to do your own settings tests. Here’s a concise testing methodology guide: