March 14, 2022 Leave a Comment 3D printed products that you can put inside your ear are not a new thing. The majority of hearing aid devices have been 3D printed for years. Indeed beyond the world of custom medical devices, headphone manufacturers such as Sennheiser have already been experimenting with printed plastic headphones for a while now. But has anyone used space-grade amorphous alloys in a set of printed headphones? They have now. Image Credit: Sennheiser Furthering their ventures into 3D printed headphone products, Sennheiser has recently released their printed metal in-ear headphone (named as “IE 600”), which has been printed with a zirconium-based amorphous alloy. This same alloy is currently being used on Mars where it is being used as the drill head on the Mars Perseverance rover. This particular alloy is prized for its strength, elasticity, biocompatibility and corrosion resistance. The amorphous nature of the metal allows… read more