There have been kits and "plans" on EBAY...but Tambo is right...this would rank almost as high as the "lawn-chair-weather-balloon-floatation devise".
Think of it this way..everything that you are making your suit from and around is extremely flamable...You might as well take a gasoline shower TOMMYBOY style and have a cigar.
On the other note you can do some great PHOTOSHOP stuff like TK409...the supersafe way.