A 3d pen is a pen that helps us to print our desired 3D object . You can call it a portable 3d printer. So today in this blog we will know how a 3D pen works? And lots of different facts and logic in this techbinarycode blog. How to use a 3d pen ? Using a 3d pen is very super easy and simple. You don't need much technical knowledge rather you need a creative mind and heart to think in a limitless way and draw in the air. Yes, logically you can say you are drawing in air. 1st you will need a flat surface to draw from there you can give height to your awesome object. Follow some steps down and you will be able to set up your 3d pen. How to set up a 3d pen ? 1st step see in the back of your 3d pen you will see there are 2 holes. The big one is for AC to DC power supply. Another one is for PLA filament or for any type of plastic that can be used but most probably it will be pla filament type. See in the box manual of the 3d printing pen you will find your PLA filament s...