"I've made them in aluminum, I've made them in resin .. and even printed in wood with binder jetting," says Olaf Diegel, professor of additive manufacturing at the Univ. of Auckland and founder of ODD Guitars. He's 3D printed more than 100 spectacular electric guitars, so far. Check out how they're made and why in this 3-minute short from our friends over at 3DNatives.