What is 3D Printing and How Does a 3D Printer Work

TL;DR: This article explains 3D printing technology and how a 3D printer works.

3D printing is an additive manufacturing technology that creates three-dimensional objects from a digital file.

Source: https://pw1zux-1b.myshopify.com/blogs/news/what-is-3d-printer-how-3d-printer-works-explained-uk