One of the fastest-growing industries today is that of 3D printing. The technology, which can let users create their own plastic items at home, may be an extremely useful tool to use in the future, but the current expense of getting hold of a 3D printer can outweigh the benefits. If you want to get into producing your own trinkets and plastic parts for projects, take part in the MacnN Deals giveaway, which will offer one lucky winner their own Makerbot Replicator Mini 3D printer.