We featured Adrian Smith in issue #134 of the magazine and previously on the site - with the rise of new materials in mountain biking, he's taken it one step further and started printing his bike parts and making them from Carbon Fibre. Pretty handy when a dent in the downtube doesn't mean a battered frame, just a bit of 3d printer 'ink'!

You can find Adrian on twitter but he has his own website and a facebook group for DIY bike builders