here is another idea for a stand. It can go directly in a fire or coal bed or be placed on most stove surfaces ring sided down. It's nice to add distance between the flame and the disc if needed when used on a stove.
It can be used either way: As a tripod with the disc resting in the ring and the legs on uneven ground or with the ring down with the disc resting (and very adjustable angle wise) in the tripod legs.
I've only made the one because they're kind of a PIA to make (bending rebar in a ring isn't as easy as it might sound). I need to look into other ways or get a fab shop with the right tooling to do it. It would be easy then.