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*SSP:'95 Blue '00 Maroon*'69 22 Cado*'90 Red MT*WSM Mini'77 Red 18*'73 WSJ*ET-732