It definitely doesn't look like the replicators he knows of and Jack shrugs and decides that if this is a dream, maybe he won't die using the thing.

"Uh, clothes? In, hm, an adequate size?" Jack thinks better of it and whispers his latest measurements, something he's been trying to work on. The machine makes a whirring noise and spits out exactly what he asked for, more or less.

"That's a neat trick."