Design & Prototyping is a system design scheme that forms a model and standard size or scalability that will be worked on later. Every developer and user can interact directly with the model without having to create a real product.
3D Printing is a printer that has special capabilities. If the printer is generally only used to print documents, be it color or not. But 3D Printing is on a different level. This tool has the ability to print an object with a level of similarity that is almost 100%, of course, the printed object is in the form of a 3D image, which is not just an image on paper and a reverse engineering concept that helps humans to realize and print the 3D designs or designs needed in making a machine or tool using PLA/ABS materials.