Wow, that’s a big 3d printer! (If you’ve ever printed spaghetti on a smaller 3d printer then you know)

Proteins are made from amino acids, same as words are made from letters. If you eat a protein source that’s short on some of those letters then you need to mix it with a source that has more of them… Otherwise you can’t create all the proteins that you need. (It’s a bit more complicated, but that’s the bit that you need here)

Have you done any calibration, or just gone straight to printing?

That’s the speed of lightning in a vacuum, the speed of lightning in a dojo is significantly slower. In fact scientists believe that it can be brought to a crawl visible to normal human vision using a Tai Chi doping process. (Vacuum: Yes, i know)