noahchen·2 か月前·議論For subtractive colors (dyes) you're right. For additive (light), green and blue make cyan (Hex: #00FFFF)
noahchen·10 か月前·議論The video mentions a patent for the 3d printing tech. I think it's this one https://www.patentlyapple.com/2023/08/apple-inherited-a-3d-p...To sum up, it uses an inkjet to spray binder to metal layer by layer.