How to use basic 3D pen

The basic and cheap 3D pen. How to use the pen and draw
How to repair 3D pen:    • Repair fix basic 3D Pen  
Compare tools for 3D pen :    • Compare the material of Desk, film, paper,...  
Make with 3D printer:    • Tinkercad + 3D modeling + 3D Pen  
#Eunny #3dpen