3Doodler is the world’s first 3D printing pen. The pen, created by science inventors Max Bogue and Peter Dilworth is called the 3Doodler, and allows the user to draw in the air. It does not require any software but simply needs to be plugged into an electrical outlet for use. This pen has been fed into with colorful plastic thread. The thread is then extruded as heated plastic that cools and solidifies instantly as it exits the tip. This allows solid 3D structures to be drawn on any surfac...