Sam, I agree that we should leave no ground scars. I have 2 sheets of very light weight and flexable mica sheets that are about .010 of an inch thick, that will be used to protect the ground. I currently use them with my stainless steel "Globe Stove"
Another point Sam, the usfulness of it just using a small ground fire is the mesh acts as a wind screen and containment for red hot embers that might want to take flight in a brisk breeze. Also as Nia pointed out, it acts as a chimnney to direct flames to the bottom of the pot.
Nia Schmald, the ss pot support weighs 18 grams and the fiberglass mesh weighs 46 grams.
It took me no more than an hour to assemble this one while cleaning out my garage.