well i spent some time and made a firepot fron some heavy sheet plastic...
when i got a desingh i liked i drew it up....
its 4 inches deep 13 inches long (including the lip)
and 10 inches wide (again including the lip)
dimensions are 10 1/2 " x 8 1/8 " x 4"
i am gooing to try to use ferkairs clinker breaker idea because i like it.
if you want it bigger i guess save it and then open it in paint!