[A strike]

Not possible with same element Pt
phys/chem 0101

[Jonty30]

Scientists and material technologists disagree with you.

https://www.greenmemag.com/science-technology/scientists-discover-a-3d-printing-method-that-makes-metal-20-times-stronger/

[Jonty30]

Printing metal allows for more exactness in how atoms are lined up. It works the imperfections out, which is why it is better.