I used the expanded metal from home depot and attached it to a small weber charcoal grate. Added some bolts for legs. No welding required. Tin snips will work if you need to cut.
Smokemaster Offset*'70 Hasty Bake Legacy*WSM 18.5*'00 Plum SSP*'69 Cado*'90 Red MT*WSM Mini*'73 WSJ