3D Print Pen Working principle

- May 25, 2018-

If you can move your fingers freely in the air, you will self-taught the 3D print pen. It is based on 3d printing, extrusion of hot melt plastic, and then quickly cooled in the air, and finally solidified into a stable state. 

Gives you endless creativity. Just a few hours of practice, you will be able to paint a stunning gorgeous.