Got my seat finished today and I'm pretty proud of myself so thought I'd share some pictures. I started with a bare, rusty pan. Beadblasted and painted the pan, glued on some foam that my wife got from work (used for shipping delicate equipment). Shaped the foam with an electric knife and a sander. Made the piping using lawn trimmer string and marine vinyl, drew patterns, cut them out and sewed it all together. Total cost about $5-10. Currently it's just glued to the pan. I may look for some decorative rivets to run around the bottom edge to help keep it attached and dress it up a bit.