There are few things out there that can send you into a shame spiral of career despair quite as quickly as watching a group of people with arguably one of the funnest jobs in the world. People like the MakerBot 3D design team, who were tasked with assembling an army of cuddly robots a "petting zoo" for this weekend's Maker Faire in the San Francisco Bay Area. Now, granted, we're sure they all work hard, but we can't help but feel a little jealous at the opportunity to design kid-frie