[Wei Wuxian was going to respond to that, probably something witty and hilarious, but then he watches her sit down and begin to create something on the screen and it starts doing things. His eyes narrow in concentration and he begins to get a better idea of how this works, but now he only has more questions than when he started.]

These are your design? [He asks, gesturing at the schematics.] What do they do? How does this machine make things at all? Is the material inside of it somewhere?