Probably old news for many but I just learned that Apple is 3d printing titanium watch cases
Source Mapping the future with 3D-printed titanium Apple Watch cases - Apple (UK)
Not seeing any new technology here. I bet lots of stuff in your home has sintered metal parts. This is just an Apple marketing story for clicks.
I never said that they are using revolutionary technology or came up with some breakthrough technology or I did not know that this technology is widely adopted. I simply stated I didn’t know that Apple is using it.
Now if I could print titanium at home, what could I make 
Like I wonder if a 3d metal printed bass drum pedal would hold up well enough
Pretty sure it would 