Danish hearing aid company develops manufacturing process based on 3D printing . The `` CAMISHA '' process allows exact molds of a person 's ear canal to be produced . This is done by using an automated machine that creates the mold and then uses it as a template for creating the final product.
Danish hearing aid company develops manufacturing process based on 3D printing . The `` CAMISHA '' process allows exact molds of a person 's ear canal to be produced . As a result , the company has produced the world 's smallest , most comfortable hearing aid .