The mold for the tiles is also very simple.
Yang Cheng asked Lulu to wait where he was. He quickly found five or six straight branches that were thirty centimeters long and ten centimeters wide.
Then use a bone knife to cut these straight branches into two sections.
This amount of work is not difficult. Yang Cheng did it himself and did not let Lulu do it.
After cutting the straight branch into two sections, you get a cross-section with one side curved and one side straight.
Then Yang Cheng used ropes to join the two halves of the wooden sticks together, with the curved surface facing outside and the straight cross-section facing inside.
Soon, a wooden frame composed of four wooden sticks and ropes appeared in Yang Cheng's hands.
This wooden frame is not parallel. The upper section is much longer than the lower section, so it has an isosceles trapezoid shape.
Yang Cheng handed the wooden box to Lulu without him saying anything.
Lulu, who has a natural advantage in pinching soil, immediately understood the function of this wooden frame.
Finding a flat surface, Lulu placed the wooden frame on it, and then filled it with mud with her hands.
After filling this side, Lulu turned over the filled soil and wooden frame, continued filling, and compacted it with her palms.
After the compaction was completed, Lulu took a small wooden stick and rolled it on the clay embryo to remove the excess soil on it.
Wait until the excess soil is removed.
Lulu did not forget the method Yang Cheng taught her before. She dipped her hands in water and began to rub it back and forth on the clay until the small bumps on the clay were smoothed out and became smooth.
After both sides of the clay embryo have been smoothed, wait for it to dry.
Lulu was going to put the finished tiles into the earthen kiln to bake them and make them into tiles.
"Lulu, wait a minute."
At this time, Yang Cheng stopped Lulu.
"witch?"
Lulu asked softly, tilting her head with confusion on her face.
"This is not enough, there is still one step left."
Yang Cheng smiled, and under Lulu's confusion, he took the wooden frame from her hand.
Then he looked around and his eyes lit up.
He walked straight in one direction, and a piece of wood fell on the ground in that direction, which was used by the Qingque tribe as a "stool".
During the break, sitting on the ground was very dirty and uncomfortable.
After Yang Cheng found out, he asked the totem warriors to chop down many suitable logs and place them in various locations in the tribe for the tribesmen to rest.
At this time, Yang Cheng came to the fallen wood with a small wooden frame.
He first controlled the witchcraft power of his body and cast a fire spell on the ground to dry the soil and sand on the ground.
Then I grabbed a handful of sand from the ground and spread it evenly on the wood, and then placed the wooden frame containing the clay embryo on the sand.
It has been a long time since the clay was kneaded into a clay and then squeezed into a wooden frame. The clay in the wooden frame has dried a lot.
Yang Cheng knocked on the small wooden frame with his hand and easily removed the small wooden frame from the mud block.
And because the mud embryo is in a semi-dry state, under the influence of gravity, the mud embryo clings to the wood and becomes curved.
The reason why Yang Cheng did this step was because all tiles had a certain curvature. If the uncurved tiles were fired directly close to the earthen kiln, the tiles obtained would not be the tiles Yang Cheng wanted.
Lulu looked at Yang Cheng's continuous movements, nodded beside her, and tried hard to remember them in her mind.
After waiting for a while.
The moisture in the clay embryo has dried up, and the shape of the tiles has been successfully shaped.
Yang Cheng took it off the wood.
Since sand has been laid on the wood beforehand, there is no need to worry about the downward side of the tile sticking to the wood.
"Lulu, take it."
Yang Cheng handed the tiles to Lulu.
And Yang Cheng doesn't need to take care of the next thing.
Lulu is now an expert at making pottery, and her skills are better than Yang Cheng's.
Due to their small size, the firing time of the tiles does not need to be as long as before. After an hour, the tiles come out of the kiln fresh.
Lulu took out the tiles from the earthen kiln.
"Wu, it's done. Be careful, it's a little hot."
Lulu placed the tiles on the ground and warned carefully.
Yang Cheng nodded, took a piece of animal skin, wrapped it in his hand, and picked up the tiles from the ground.
I looked at it first and saw that the surface of the tiles was smooth and there were no gaps except for a few small holes due to air.
"Puff."
Then Yang Cheng knocked again, and the tiles made a crisp and sweet sound.
Finally, Yang Cheng squeezed a little harder, and the tiles were hard. He used six or seven points of strength, but there was no damage to the tiles.
Yang Cheng smiled and said: "Well, not bad, Lulu, just cook it like this."
Seeing Yang Cheng smile with satisfaction, Lulu felt even more happy, knowing that she helped Wu solve a problem!
Lulu's face was as bright as a smile, she nodded vigorously and said, "Okay, Wu, I will definitely burn a few more pieces."
As she said that, Lulu remembered the doubts that had existed in her heart since the beginning.
Lulu asked: "Wu, you just said this is called a tile. What are the tiles for?"
Yang Cheng replied: "Oh, tiles are used to cover the roof, to keep out rain and snow."
"Something to keep out the rain and snow?" Lulu looked confused and asked: "Wu, if it is used for this, just make a few pieces like this?"
"That's not true, I definitely need to do a little more..."
Yang Cheng smiled and shook his head in reply, but suddenly thought of something and slapped his head.
"Hey, Lulu, you reminded me. I have planned so many houses this time. Just these tiles are not enough. They have to be mass-produced."
"Mass production?"
Lulu felt that she was so stupid that she just couldn't keep up with Wu's brain circuit. She couldn't even understand what Wu said.
"Yes, mass production."
Yang Cheng nodded and said: "The method is very simple. Let's make more of these molds. The new earthen kiln is so big anyway, we can bake hundreds of pieces at one time."
After speaking, Yang Cheng grabbed a person from the life department and asked him to go to the engineering team to call a dozen new tribesmen over.
The person from the life department responded and ran away.
Then, Yang Cheng asked Xia Duo to prepare some 30 cm long wooden sticks and ropes.
The wooden sticks should be about the same thickness, and the rope should not be too thick.
Yang Cheng's order was issued.
Soon, new tribesmen and materials arrived.
The leader of the new tribe is none other than Yang Bei, who is responsible for helping manage the new tribe.
Yang Bei is a smart guy. Hearing that Yang Cheng needed help, he immediately brought people over.
"Wu, what do you need us to do?"
Yang Bei asked carefully.
Yang Cheng asked: "Well, it's very simple. Have you seen these sticks and ropes?"
Everyone nodded: "I saw it."
"What I want you to do is very simple, which is to make something of the same size according to this wooden frame."
Yang Cheng held the first wooden frame in his hand and explained it to these new tribesmen.
Primitive people have poor imagination, but their hands-on ability is not bad.
With the mold in front of me, I immediately started making them one by one.
Yang Cheng guided a few key things from the side. The size of the wooden frame must be the same, and the wood that makes up the wooden frame must also be equal. One side cannot be thicker than the other.
If it's too thick, use a bone knife to cut it to the same thickness.
And if it's too narrow, just throw it away and get a wooden stick to make it.
If it was about other things, Yang Cheng would give some guidance and leave, leaving the tribesmen to do it themselves.
But this time, Yang Cheng did not leave and let the tribesmen make it alone.
This is not because Yang Cheng is worried about the production level of the clan members, but because the wooden frame must be unified and consistent.
The wooden frame is used to shape the tiles. A slight mistake will make the tiles different, which will lead to problems when laying tiles later.
Therefore, Yang Cheng made a special stipulation that each wooden frame made must pass his approval before it could be considered a success.
In the following time, under the supervision of Yang Cheng, the new tribesmen carefully made more than fifty identical wooden frames.
Yang Cheng then asked them to stop.
This many wooden frames are enough. Hundreds of tiles can be fired in the earthen kiln at one time, and more than fifty wooden frames can be used multiple times.
Yang Cheng asked Lulu to select a few of the new tribesmen who were more clever and clever, and stayed nearby to help, and then let everyone disperse.
Making the tiles took a lot of time.
It was already evening.
The heavy snow that had been falling had stopped at some point, and the setting sun was shining on the distant western horizon, dyeing a large area of the sky red.
In the open space, the Niu Niu was waving its tail here and there, as if bored, but in fact, its little eyes kept turning, paying attention to the side, and eating wild fruits that it got from nowhere.
Outside the wall, the cry of the long-nosed elephant rang out. The tribesmen who had gone out to quarry returned. The tribesmen inside the wall greeted them and greeted them with joy and laughter.
Nearby, the tribesmen of the Living Department have set up earthenware pots, the smoke slowly rises, and the fragrance drifts with the breeze.
Yang Cheng stood facing the setting sun, and the light and dark merged on his handsome face, like an oil painting.
"The tribe is becoming more and more smoky."
Yang Cheng stood for a long time, suddenly smiled on his face, and a faint joy appeared in his heart.