Gramohorn II

A 3D-printed speaker that amplifies without electricity, inspired by an age-old design and created using modern technology

There’s something of a divide in the design community when it comes to 3D printing. While some fully back the innovative and open-source abilities of the technology, others are afraid that it will detract from the individual character of design objects. Taking both sides of the coin into account, Justin Wolter, designer of the Gramohorn II—a non-electric speaker that amplifies sound from the HTC One …