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Factory From China Drawing 3D Writing Pen Digital Printing Machines 3D Pen Printer
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why do choose JER :
1.JER control quality for you.
2.JER help to down cost for you.
3.JER reduce the risk for you.
4.JER do design for you.
5.JER do shipping and Doc. for you.
6.JER manage the goods in stock for you.
7.JER do after sales service for you.


1. Can I leave the filament in the 3D pen when I shut the pen down?
Please don't! We've found that leaving warm filament in the pen can cause issues with the pen.
2. Is the filament hot when it comes out of the 3D pen nozzle?
The Filament is hot when it emerges from the tip of the 3D pen.
Please don’t touch the nozzle tip, as the nozzle gets very hot and can cause burns.
3. Is the JER 3D pen safe for children
It is for ages 8+. . It has a ceramic tip that can get as hot as 70°C
4. Can I only insert 1.75mm filament into the 3D pen
Yes. Our 3D pen only work with 1.75mm filament
5. Is there a warranty?
Yes, we provide one year warranty.
6. How to ship the 3D pen?
By express, By plane, By sea
7. I want to be a reseller
Send your message to JER3Dpen
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