Three-and-a-half months spent designing and building it, plus another three months waiting to print it. In the end, my Autodesk magnum opus is complete. I'm trying to decide wether or not to name it a V-12 or V-10. Close up of the radiator, fan, and engine block: http://i.imgur.com/7uyGKd4.jpg Another thing I designed, it's my very own Marathon (Bungie) keychain: http://i.imgur.com/8HUzY5V.jpg [b][i][u]EDIT:[/u][/i][/b] Since some of you have been asking, yes some detail was lost in the printing process. Here is the 3D model (keep in mind that this isn't 100% real life accuracy, it's just my own design): http://i.imgur.com/U73roxT.jpg