On the homebrewedbikes side of things, I've done a small amount of tinkering while waiting very patiently for Aaron with RevTilton Cycles to finish braze-ons for my frame. I found a sweet bicycle fender shop: Woodys Custom Fenders. His craftsmanship is beautiful. But more than anything else, I like that he sells his scraps for dirt cheap!
I picked up a box like you see above. They'll be great for my current projects because I'll have 20" wheels on my Rockfish and a 16" trailer wheel. About a week ago I got bored and replaced my trailer fender that had seen better days. Now it looks classy. The curve of the fender scrap I used didn't quite match the curve of the 16" wheel, so I boiled it in water for about 30 mins. After boiling it, I then clamped it to the rim to hold it's shape while it dried. Turned out great. I sanded it with 220 grit and put on two coats of polyurethane:
I borrowed all the hardware from the previous fender:
If you've made your own fenders, let me know and send me some pictures. I'll feature them.