Uh.. they did make printers, starting in the 80s some were pretty decent and they helped start desktop publishing: https://en.m.wikipedia.org/wiki/List_of_Apple_printers

True at least maybe from readily available plant foods or at the concentrations that might be typical in plant foods. I don’t think that’s stopping anyone from creating something that doesn’t contain meat but achieves the needed quantities of nutrients cats need through processing or synthesis.

That said, I’m not feeding my cats any of the currently available forms nor am I in a hurry to.