I was curious to know if anyone has any experience with sugar molds. Essentially, I need to know if anyone has ever had a welder create a mold for them and if so, how was the resulting project? I need a 16"x22" four-sided structure that is 1" thick, one of those sides needs to have a 10" diameter circle in it. I have my measurements and ideas all drawn out but I don't want to pursue this if it is not feasible. Second, if I can't go about making my project this way, I could pour the four walls and than use a blowtorch to seam them together. Does anybody have any experience with this type of stuff? I'd appreciate any and all help I could get!