If you've got an idea that needs some advanced manufacturing techniques, Ponoko
might be just what you've been looking for. This wine rack is a nice sample of what they can do. Each piece is cut by a powerful laser, and shipped flat. On arrival, you assemble it - just like one of those wooden dinosaur models.
For now, they're offering custom laser cutting for your product. If you want to get started, grab their download their making guide
. To create your design, you'll need some vector graphics software like Adobe Illustrator. You'll need to create a login, but then you'll have to wait a while - the site is getting so much traffic that the login page reports that it's too busy to me in... yet.