Trainer: I Build A Home On The Back Of A Xuanwu

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In the study, Mu Liang is writing a new script.

Before arriving in the next big city, there is enough time for people to rehearse the new play.

"Mu Liang." The study door was pushed open, and Liyue walked into the study.

Mu Liang paused, and a section of the charcoal was accidentally broken, leaving a three-centimeter-long scratch on the paper.

He dropped the charcoal pencil, raised his eyes and asked in a gentle voice: "Isn't it a day off today? Don't you go out for shopping?"

Liyue's silver-white eyes flashed, her eyes dodged and whispered: "I don't know where to go alone, I can only come to you."

"Then sit down and work with me." Mu Liang chuckled softly.

"Um."

Liyue sat beside Mu Liang, her eyes fell on the table, and then she reached out and picked up the broken charcoal pencil.

"I'll sharpen the pen for you." She picked up the knife in the pen holder and gently sharpened the tip of the charcoal pen.

"Charcoal pens are also really difficult to use." Mu Liang sighed.

He missed the ballpoint pens and fountain pens of the previous life on the earth.

"spray!"

Mu Liang wondered if it is possible to make ballpoint pens and fountain pens.

After thinking about it, he secretly dismissed the idea that making ballpoint pens was too difficult and impractical.

In the earth, the pen tips of ballpoint pens are all high-tech things, and otherworld does not have machine tools. It is too difficult to make pen tips.

Even if it can be produced, the cost will certainly not be cheap, and it will not have liquidity.

As for the pen, it also requires a certain amount of technology, and also needs to overcome the problem of making the pen.

In addition, it is necessary to study the corresponding ink and the problem of pen sealing ink.

"Ballpoint pens and fountain pens are not good, but pencils should be able to be made." Mu Liang's black eyes lit up.

He stretched his hand over a piece of paper, picked up the charcoal pencil cut by the silver-haired girl, and painted on the paper.

Liyue watched quietly, her silver-white eyes full of tenderness.

At this time, she was different in weekdays, with less coldness and more tenderness for her admirers.

"This should work..." Mu Liang put down the charcoal pen in his hand and flicked the carbon dust off the paper gently.

"Did you think of anything good again?" Liyue asked softly.

Mu Liang nodded gently and said, "Well, go to the lake and help me dig some clay back."

"Good." Liyue said softly.

She got up and left the study.

After nearly ten minutes, the silver-haired girl came back carrying a glass bucket, which was filled with half a bucket of clay.

"Is these enough?" Liyue asked crisply.

"Enough, I can't use it up." Mu Liang smiled clearly.

Using his power, he condensed a glass bowl casually, and dug a small ball of clay into the bowl.

He took two more charcoal pencils, made a stone pound from colored glaze, and ground the charcoal pencils into powder.

Liyue watched curiously, what else is Mu Liang going to make?

She saw Mu Liang pour the toner into the bowl and mix it with the moist clay.

The ratio of toner to clay is five to one, and the amount of toner is more.

The main function of clay is to bind the toner together.

The mixed toner mud is dark, not lighter than charcoal.

This is because of the density change.

Charcoal is very light, and there are many small gaps inside, which are formed after the wood is carbonized.

When charcoal is ground into powder, its volume will be reduced by one time, and then mixed into clay, the density will become greater.

Mu Liang also used colored glaze to make a row of molds with grooves, which are used to make pencil leads.

The carbon powder mud is spread flat on the mold, and after being compacted hard, the excess part of the surface is scraped off.

There are only slender charcoal refills left on the mold, only five millimeters thick and fifteen centimeters long.

"Mu Liang, what is this?" Liyue asked in surprise.

"This is an improved carbon refill." Mu Liang explained casually.

In the earth, graphite is used for pencil refills, but this world has not yet found it, Mu Liang can only use charcoal instead.

"What's the use?" Liyue blinked her silver-white eyes.

"You'll know later." Mu Liang mysteriously smiled.

"Liyue pouted slightly, he was selling it again.

Mu Liang stretched out his hand, a small flame appeared in the palm of his hand, baking the glass mold, allowing the wet pen core to slowly dry out.

He controlled the temperature to avoid excessive temperature, which would cause the charcoal pen core to crack and affect the finished product.

For this reason, the charcoal refills can only be fully dried at low temperature.

Five minutes later, Mu Liang waved his hand and the flame disappeared.

He flipped the mold and shook off the five charcoal refills.

The pen core fell on the tabletop, making a crisp sound, and unexpectedly did not break.

"The hardness is not bad." Mu Liang nodded in satisfaction.

He stretched out his hand to hold a pen core, and the colored glaze evenly wrapped it into a slender colored glaze pen.

At the tip of the pen, leave a half-centimeter charcoal pen core outside.

Mu Liang pulled a piece of paper, picked up a charcoal pencil and wrote on the paper, and a line of elegant black characters appeared.

"Hey, the written words are even darker." Liyue stared at her silver-white eyes in surprise.

"It's also very smooth to write." Mu Liang nodded with satisfaction.

Probably because of the addition of clay, the smoothness of writing is ascension many times, and there is no sense of "hardness" when writing with pure charcoal.

*. "I will try." Liyue reached out and took the charcoal pen in Mu Liang's hand, and wrote Mu Liang's name on the paper.

Sai Xianning Room

The writing process is very smooth, and there is no need to worry about the tip of the pen scratching the paper.

She exclaimed: "It's amazing, it's much more convenient than charcoal."

"It can be improved." Mu Liang thought for a while.

He picked up a new refill, pulled a new piece of paper, rolled the refill in the paper, and glued it together with spider silk.

"Paper and pen?" Liyue said in confusion.

"It's better to call it a pencil." Mu Liang said casually.

He prefers the name pencil to paper and pen.

"Mu Liang, wouldn't it be better to use colored glaze for the pen body?" Liyue asked inexplicably.

"Liuli makes the pen body, it will waste too much refill, but paper rolls will not." Mu Liang explained.

The hardness of the colored glaze is too high, and the charcoal pen core wrapped in it cannot be used.

After all, it is impossible to sharpen (get Zhao Zhao) a pencil and spend more energy to study the advanced spirit tool level pencil sharpener, right?

The charcoal used on paper rolls is not used, and ordinary pencil sharpeners can be used easily.

Mu Liang stretched out his hand to condense a piece of colored glaze, which looked like a pencil sharpener.

He stuffed the paper roll charcoal pen into the sharpener and turned it easily to make the pen core sharper and more comfortable to write.

"It turned out to be like this." Liyue suddenly realized.

She couldn't help but praised: "Mu Liang, you are too smart."

"I just stood on the shoulders of the predecessors thinking." Mu Liang shook his head.

"That's still very powerful." Liyue covered her mouth and chuckled. How can such a person not make people fascinated and enamoured?

"Pencils can be produced in batches and sent to school, and children can also use them to write homework and take notes." Mu Liang said gently.

"Well, the children should be very happy." Liyue nodded.

ps: [3 more]: Ask for customization.

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