Charging Signature Pen (Concept)

留言板（12）

gzcA 2020-05-11

Have you studied the core materials?

猫纸鹤作者 2020-05-13

Yes, but it is not realistic at present.

gzcA 2020-06-23

The core material is hot melted with electricity, and the writing material is solid at room temperature.

猫纸鹤作者 2020-11-22

What I consider is to electrically heat the metal at the top, and then accurately heat the surface of the carbonized paper, but this has a lower limit for the paper.

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Alansi 2020-01-03

It's quite exquisite to do it casually.

猫纸鹤作者 2020-03-31

School homework ha ha

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LUCAS 2020-01-03

High-end technology vision

猫纸鹤作者 2020-03-31

Hey hey, the concept may not be easy to realize in the end.

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大小欧诺 2020-01-03

Have all the sign pens been charged now??

猫纸鹤作者 2020-03-31

Because refill ink and refill plastic are used too much every year, the main focus is environmental protection, and this is just a concept, hey hey

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睡于麋鹿林 2020-01-03

Signing for ink, why charge?

猫纸鹤作者 2020-03-31

The relative environmental protection of the concept

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猫纸鹤

China · Digital Intelligence

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