We have some amazingly creative users in Korea and Japan and plenty more of you searching for content in both languages.
To help out here are some key translations that will help you on your way.

In Korean 3D pen is 3d펜 and 3D printing pen is 3d 프린팅 펜.
In Japanese 3D pen is 3Dペン, while 3D printing pen is 3Dプリントペン.

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