3D Printing

Much has been written about 3D printing.  For those who fit hearing aids, especially custom-molded types, or earmolds, many of us have been told that the shells have been 3D printed.  But, what does this actually mean?   What is 3D Printing? This is known also as desktop fabrication, or additive manufacturing.  It is unique…

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Human Concha Measurements

Anthropometry is an ergonomic core of any attempt to resolve the dilemma of “fitting tasks to the human.”1   For external ear products (hearing aids, hearables, earbuds, etc.), comfort, cosmetics, and retention are the three critical areas leading to acceptance or rejection of a product. These are issues that should be addressed at the start of…

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