Today, 3D printing is still often perceived as a new and complex technology, despite the fact that its development already began in the 70s. The 3D printing equipment is fast becoming more affordable, easy-to-use technology, use of which is constantly expanding into new areas and involving new materials.
Bellow a video of how 3D objects are made on the 3D printer.

https://www.youtube.com/watch?v=oeJLLC2NJQs