3D printer...
Wu Heng was familiar with such a device.
Before the disaster, these devices had a period of popularity as a rapid prototyping technology.
In videos, many vloggers would post about the figurines they printed, or more advanced, creating various parts to eventually assemble robot arms, retractable knives, and other gadgets.
Of course, the materials were not made of iron but more like plastic.
Wu Heng looked at the vendor with a puzzled expression.
It would be understandable to search for food or weapons, but what were you thinking, bringing out something like this?
"This thing can work without electricity?" Wu Heng asked.
The vendor exhaled a cloud of smoke, "No."
"Then what's the point of bringing it out?"
"If you want it, I'll give it to you cheap," the vendor said, avoiding the question.
"What's the price?"
"30 kilograms of food, and you get the computer and materials in the truck too."
