Cai Lun

歪比巴卜！

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They can be tough nuts to crack.

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He prefers to call himself Optimus Prime.

This page does not have an official English name. However, all pages will use Cai Lun to refer to it.

“哦库噜呼噜呼噜”

This page is about a historical character. There may be mentions of alcohol, drugs, violence, blood, gore, sexual content etc.

Cai Lun
Occupation	Inventor
Biological information
Species	Human
(Deduced) Birthday Range	Unknown
Associates
Family	None mentioned
Friend(s)	None mentioned
Affiliate(s)	Peashooter (admired by)
Miscellaneous
Appear-ance(s)	The Two Han Dynasties (Part 2)

Cai Lun (蔡伦; pinyin: Cài Lún) was an inventor in the Eastern Han dynasty. He created a significantly cheaper way of producing high-quality paper.

Inspiration

Cai Lun found writing on crudely-made paper an uncomfortable hassle. The other two alternatives, being writing on silk and bamboo or wooden slips, were respectively to pricey and heavy. He found that the silk paper used for writing are leftover side-products when making silk clothes, rendering them rare and expensive. This inspired him to replace the silk using cheaper materials.

Creation

Cai Lun then used tree bark, tattered cloth, hemp wastes, fishnets and other materials, undergoing crushing, bashing, mixing and other procedures, finally creating a new high-quality paper that is very cheap. This type of paper was quickly popularized and was dubbed the "Cai Hou Paper" to honor Cai Lun.

Trivia

• Cai Lun was an eunuch. However, this was not mentioned throughout his debut chapter, Papermaking and Seismoscope.