The work of printing masks is directly handed over to the "ZX" control 3D printer to complete automatically. Su Tianzong still has one more thing to do, that is, to find a continuous pattern of silicon zirconium red crystal, which is the red silica boron aluminite named by the outside world. The purpose of this was to give the outside world the impression that he had obtained a whole piece of crystal, which was later cut into small pieces of one centimeter square for auction.

"ZX, is the mask starting to print?" Su Tianzong stood in front of the container and inspected the crystal patterns one by one, and asked about the progress of the mask.

"The print job is about to start and the print material is currently being pre-processed. Estimated to take one hour and 36 minutes to complete the print, the print will take three steps, first printing your hard head model, then printing the flexible mask, and finally painting the nanospectral display material. ”

"Got it, scan these silicon zirconia red crystals and help me find a set of crystals with continuous patterns." Su Tianzong pointed to the dark red crystal wall in the container and said.

A blue beam of light shot out from the metal arm on his left arm, and he began to scan the container layer by layer. The results that were available so quickly did not happen, and the scan took half an hour to get results.

"Why did it take so long?"

"Silicon zirconium red crystals have an effect on the scanning beam, so it takes more time."

"Well, what about the result? Are there any crystals with continuous patterns? ”

This time, "ZX" showed the result he wanted in a graphical way, Su Tianzong saw more than a dozen bright small squares appear in the middle of the container where the silicon zirconium red crystal was located, and these were the crystal blocks he needed.

It's just that these crystals are distributed in different locations, and it's not easy to get them, so you need to take out the upper and outer crystals first. This is a very troublesome process, and there is no way to cheat, so Su Tianzong has no choice but to become a building block porter.

"ZX" informed him that when the mask was printed, Su Tianzong hadn't found all those crystals, and a large number of small crystal squares were already scattered outside the container containing the crystals.

"Don't look for it, there should be enough for the auction of these eleven pieces." Su Tianzong squatted in front of the container panting, he didn't expect this work to be so physically demanding. He stood up, put the eleven silicon zirconium red crystal squares on the top of the container into a small box, and said, "Go and see how the mask is, it's already printed, right?" ”

"Yes."

Su Tianzong came to the outside of the basic material warehouse and saw that the printed mask was lying flat on the platform of the 3D printer. The mask is divided into two layers, the bottom is Su Tianzong's own face model, and the mask is printed on the basis of this face model.

According to the instructions of "ZX", Su Tianzong carefully removed his mask. It feels soft to the touch, and it feels like the texture of flour after it has been kneaded. The mask was thin, but unexpectedly strong, and it seemed that this ultra-soft material was not low-tech.

"What kind of material is this?" Su Tianzong asked curiously.

"This is an outer layer of artificial skin that was originally intended to replace damaged human skin. The artificial skin is divided into three layers, the outer layer is made of a composite material made of silicone rubber film and carbon nanotubes, the middle layer is a genetically modified biomaterial of silk and spider silk, and the bottom layer is an artificial connective tissue cell, which can fully bind to the human epidermis.

The manufacture of this kind of mask only uses the composite material of the outermost layer of artificial skin, and then attaches the nanospectral display material from the molecular chain of the printed mask surface. All you need to do is put on a mask and adjust the nanospectral sensing and display. ”

"No wonder, it feels like real skin." Su Tianzong put the mask on his arm and found that it was almost exactly the same as his skin.

Somewhat excited, he walked to the bathroom of the living chamber with his mask on, and began the first camouflage experiment using the mirrored wall next to the sink. The mask fits his face perfectly, and in a matter of minutes, the person in the mirror changes his face.

Su Tianzong smiled, and the ordinary-looking man in the mirror also smiled immediately, and his expression looked quite natural. The only problem is that this mask is not painted, so the lips, eyebrows, and eyelashes are all skin colored.

"Can nanomimicry be used?"

The hologram of the "ZX" instantly generates a face and represents an area between the chin and the neck. Su Tianzong touched the position according to the prompt, and the mask immediately changed, and the color replaced the original skin tone line by line along the edge of the lips, making the lip color rosy. This was followed by a slight change in the skin tone of the cheeks, and then the eyelashes and eyebrows were dyed black.

"ZX, referring to my face color, this paint is a bit unnatural right now." Su Tianzong was naturally good at art, so he was not satisfied with this lack of variation in color coverage.

New paints are starting to appear on the nanomimic layer, and this time it's much more natural, at least with a change in layers, and the hue is no longer monolithic.

Su Tianzong made various expressions in the mirror, and after confirming that there would be no flaws, he nodded with satisfaction.

"It's done, you shouldn't be able to find it without removing the mask."

After the camouflage test was completed, Su Tianzong carefully put the mask back on the surface of the head model and covered it with a layer of cloth to protect the mask.

With the equipment of mimic folding armor, hidden blade, and mimic mask, if there is an unexpected situation in tomorrow's meeting, Su Tianzong is sure enough to deal with the trouble. As for whether such caution is too much, Su Tianzong believes that what is about to happen is a multi-million dollar deal, and huge interests will always invite trouble. And if something goes wrong, it's definitely going to get you into big trouble, so it's absolutely essential to be well prepared.

After putting the mask away, Su Tianzong found that there was still a newly printed material box on another portable 3D printer, which was a box used to store the parts made by the starship, with a total of three parts, a backpack and two leg bags. Su Tianzong took a closer look, it was just a sturdy hard plastic box, and there was an opening on the front that allowed the small drone to perform the task of storing and taking it out.

Now Su Tian can't afford to study the creation of the starship, and this matter needs to be postponed. Now his experience is focused on the auction, which is related to whether he can get enough material reserves to survive the apocalypse.

Early the next morning, Su Tianzong went out for breakfast with the newly made mask, of course, he would not go to the neighborhood opposite the academy, but deliberately chose a small street shop with little surveillance around. The whole eating process was very smooth, there were no problems with the mask, and the restaurant owner didn't recognize this young man as Su Tianzong, who had come to eat a few times.

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