Get a large heavy duty baking pan.
Cut off one of the short ends.
On the opposite end cut a notch for the pipe to fit it.
Take a piece of pipe and cut a slit for the pizza pan,
Drill two holes for the bolts.
Drill two different holes small then big etc etc in the baking pan
Attach the pipe and bolt down.with the flat heads on the bottom and the nuts on the top.