While 3D printing technology has been used to improve sporting equipment, athletic shoes, and sports prosthetics, and even bring games from the field to the table top, perhaps most importantly it's used often to keep players safe from injuries. Thanks to the customizable nature of 3D printing, there have been 3D printed shin guards and mouth guards, a binding system for snowboards, and helmets for sports like biking, football, and lacrosse. The latter is the focus of a recent case study by LulzBot, which is owned by Aleph Objects in Colorado. Read more at 3DPrint.com: http://3dprint.com/182458/lulzbot-3d...crosse-helmet/