Originally Posted by a_recording
Aye I've seen a material called "Alumide" which is apparently nylon powder and aluminium dust. Not sure of its suitability as a non-resonant housing.
There is also laser metal sintering, which is actually a very high end process of 3D printing with lasers and metal powder. I am not sure if this has many advantages over traditional CNC milling but I assume like any additive process it makes you make very convoluted shapes as one continguous piece.
Is "laser metal sintering" similar or the same as "selective laser melting", as used by Ortofon? http://ortofonmicrotech.com/technologies/selective-laser-melting.html
Michael Fremer on the difference between a stock Ortofon cartridge body and a SLM one: “After letting me marvel at and handle the gleaming aluminum shape of the MC A90, Leif Johannsen (Ortofon CO of Acoustics and Technology) took me to a secluded area of the hall where the flooring was made of hard linoleum. He held the body out in front of him and let it drop. With a ping, it bounced about two feet up in the air. Then he took a second cartridge body out of his pocket. This one was layered like a cross section of stratified rock, but more neatly and uniformly. From chest height, he dropped the second body. Instead of bouncing with a distinct ping, it hit the floor with a nonresonant tick and stopped dead, without bouncing back so much an inch. Now that was major.”