With the continuous progress of science and technology, 3D printing technology is gradually entering people's daily life, and shows great application potential in many fields. Among them, one of the most revolutionary influences is its key role in promoting "personalized customization". Different from the traditional mass production mode, 3D printing, with its characteristics of flexibility, high efficiency and low cost, provides strong technical support for the realization of personalized requirements.

First of all, 3D printing breaks the dependence of traditional manufacturing technology on molds and mass production, making small batch or even single piece production economical and feasible. In traditional manufacturing industry, personalized customization often means high cost and complicated process. And 3D printing can be directly printed through digital modeling, without complicated production lines and mold investment, thus greatly lowering the production threshold and enabling everyone to customize unique products according to their own preferences and needs.
　　Secondly, 3D printing has promoted personalized development in medical care, fashion, architecture, education and other fields. For example, in the medical industry, 3D printing technology has been widely used in customized prosthetic limbs, dental appliances, surgical guides and other personalized medical devices. These products not only fit the physiological structure of patients, but also significantly improve the therapeutic effect and comfort. In the fashion world, designers use 3D printing technology to make unique clothes and accessories, breaking the limitations of traditional crafts and realizing the infinite possibilities of creativity.
　　In addition, 3D printing has promoted the rise of "maker culture" in which consumers participate in the design and manufacturing process. Nowadays, more and more consumers are no longer satisfied with passively purchasing standardized products, but want to participate in product design through their own creativity and ideas. 3D printing provides technical support for this kind of DIY (DIY), which enables ordinary people to easily realize their own creative ideas, thus promoting the popularization and development of personalized consumption.

Of course, 3D printing also faces some challenges in the process of promoting personalized customization, such as the limitation of material types, slow printing speed and intellectual property protection. However, with the progress of technology and the improvement of industrial chain, these problems are gradually being solved.

To sum up, 3D printing, as a subversive manufacturing technology, is promoting the development of personalized customization in an unprecedented way. It not only changes the production mode of traditional manufacturing industry, but also provides consumers with more diversified and humanized choices. In the future, with the integration of artificial intelligence, big data and other technologies, 3D printing will be more widely used in the field of personalized customization, bringing a better lifestyle to human society.