Hi guys, I'm Pierfrancesco Telesca a student of Bocconi University doing his final dissertation about 3d printing. Would be great if you can help me with a simple survey. http://inflameschained.polldaddy.com/s/3d-printing-online-co mmunities Thanks in advance to anyone is going to help me and I catch the opportunity of making you my wishes of good new year. Pierfrancesco Telesca