How to make a fire pit out of tree rings and a Weber grill

I never would have thought you could make a fire pit so easily and affordably but you can! The images and material list for this project are posted at the blog Joybobo. This would be a great project to collect the supplies off of Craigslist as people are always getting rid of these types of things. I bet you could even find these things discarded by the side of the road.