I haven't actually, because typically I use just the tarp that I have - with or without my hammock under it. I'd probably just roll a hem in the netting and pin it in place on the nylon, and sew, then seam seal everything later.

I bet you could call Quest and ask the question. If they don't know the answer they might be able to direct you to someone who does... they had to get those pictures on the website somewhere!