Danish hearing aid company developed manufacturing process based on 3D printing . In addition to these technical improvements , the precision of the mold , says Westermann , means that it is substantially more comfortable . The ` ` CAMISHA '' process allows exact measurements of a person 's ear canal to be produced . As a result , the company has developed the world 's smallest , most comfortable hearing aid .
Danish hearing aid company developed manufacturing process based on 3D printing . The ` ` CAMISHA '' process allows exact measurements of a person 's ear canal to be produced . As a result , the company has developed the world 's smallest , most comfortable hearing aid .