The following designs cary licenses that allow derivatives. This means the designers have specifically stated that they allow anyone to remix their thing as long as all terms of the license are adhered to. These terms may include the following conditions: Attribution, ShareAlike, and NonCommercial. Please learn what these terms mean and check each thing's license to make sure you're respecting the designer's wishes. They've generously shared their work with the world. Show your gratitude respecting their wishes.Enter the Remix Challenge by remixing one of these designs and you could win a MakerBot Replicator + 3D Printer.