I want to get a 3D printer, and usually print some parts with high structural strength requirements. I found on the Internet that nylon and reinforced resin have relatively high strength. I would like to ask what is the difference between printers of various materials? How should I choose? Can I save one by myself? Is it possible for metal 3D printers to be used by individuals?

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1.The biggest difference between ordinary printers and 3D printers is the difference in consumables. The consumables of ordinary printers are composed of traditional ink and paper, while 3D printers are mainly composed of engineering plastics, resin or gypsum powder. These molding materials are all made of special materials. However, the molding speed, model strength, resolution, model testability, and detail accuracy of different technologies and materials are very different. The user needs to choose according to the actual use.
2.The 3D printer prints the needed items into 3D solids. The main materials used now are resins. The three-dimensional objects to be printed are cut into many cross-sections according to the requirements of precision. Similar to ordinary 2D printers, these cross-sections are printed out by spraying resin.
3. In the end, these corresponding cross-sectional planes accumulate upward in the shape of a solid object. If you want to make metal objects such as iron or copper, you can get it as long as you perform precision casting with a mode release.